CVE-2021-40438
Detail
Description
A crafted request uri-path can cause mod_proxy to forward the request to an origin server choosen by the remote user. This issue affects Apache HTTP Server 2.4.48 and earlier.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:M/Au:N/C:P/I:P/A:P)
References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving NIST webspace.
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may have information that would be of interest to you. No
inferences should be drawn on account of other sites being
referenced, or not, from this page. There may be other web
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not necessarily endorse the views expressed, or concur with
the facts presented on these sites. Further, NIST does not
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URL
Source(s)
Tag(s)
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf
Apache Software Foundation, CVE
Third Party Advisory
https://httpd.apache.org/security/vulnerabilities_24.html
Apache Software Foundation, CVE
Release Notes
Vendor Advisory
https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E
Apache Software Foundation, CVE
Mailing List
https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E
Apache Software Foundation, CVE
Mailing List
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E
Apache Software Foundation, CVE
Mailing List
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E
Apache Software Foundation, CVE
Mailing List
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E
Apache Software Foundation, CVE
Mailing List
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E
Apache Software Foundation, CVE
Mailing List
https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E
Apache Software Foundation, CVE
Mailing List
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html
Apache Software Foundation, CVE
Mailing List
Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
Apache Software Foundation, CVE
Release Notes
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
Apache Software Foundation, CVE
Release Notes
https://security.gentoo.org/glsa/202208-20
Apache Software Foundation, CVE
Third Party Advisory
https://security.netapp.com/advisory/ntap-20211008-0004/
Apache Software Foundation, CVE
Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ
Apache Software Foundation, CVE
Broken Link
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438
CISA-ADP
US Government Resource
https://www.debian.org/security/2021/dsa-4982
Apache Software Foundation, CVE
Mailing List
Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2022.html
Apache Software Foundation, CVE
Patch
Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.html
Apache Software Foundation, CVE
Patch
Third Party Advisory
https://www.tenable.com/security/tns-2021-17
Apache Software Foundation, CVE
Third Party Advisory
This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference
CISA's BOD 22-01 and Known
Exploited Vulnerabilities Catalog for further guidance and requirements.
Vulnerability Name
Date Added
Due Date
Required Action
Apache HTTP Server-Side Request Forgery (SSRF)
12/01/2021
12/15/2021
Apply updates per vendor instructions.
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-918
Server-Side Request Forgery (SSRF)
NIST  
Apache Software Foundation  
Change History
36 change records found show changes
CVE Modified by CISA-ADP
6/17/2026 12:06:54 AM
Action
Type
Old Value
New Value
Added
SSVC
{"timestamp":"2025-02-06T21:08:29.032806Z","id":"CVE-2021-40438","options":[{"exploitation":"active"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}
CVE Modified by Apache Software Foundation
6/17/2026 12:06:54 AM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"Apache Software Foundation","product":"Apache HTTP Server","versions":[{"version":"Apache HTTP Server 2.4","lessThanOrEqual":"2.4.48","versionType":"custom","status":"affected"}]}]
Modified Analysis by NIST
10/27/2025 1:37:06 PM
Action
Type
Old Value
New Value
Added
Reference Type
CISA-ADP: https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438 Types: US Government Resource
CVE Modified by CISA-ADP
10/21/2025 8:17:44 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438
CVE Modified by CISA-ADP
10/21/2025 4:18:46 PM
Action
Type
Old Value
New Value
Removed
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438
CVE Modified by CISA-ADP
10/21/2025 3:19:21 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-40438
Reanalysis by NIST
5/16/2025 11:27:13 AM
Action
Type
Old Value
New Value
Added
CPE Configuration
AND
OR
*cpe:2.3:a:redhat:jboss_core_services:1.0:*:*:*:*:*:*:*
OR
cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
Added
CPE Configuration
AND
OR
*cpe:2.3:a:redhat:software_collections:1.0:*:*:*:*:*:*:*
OR
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
cpe:2.3:o:redhat:enterprise_linux_server_workstation:7.0:*:*:*:*:*:*:*
Added
CPE Configuration
Record truncated, showing 2048 of 4715 characters.
View Entire Change Record
OR
*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.2:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_for_scientific_computing:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_for_power_big_endian:7.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_eus:8.2:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_aus:8.2:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_tus:8.2:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_eus:8.1:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.7:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.6:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.4:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_aus:7.3:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_tus:7.7:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_tus:7.6:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_tus:8.4:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus_s390x:8.2:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.2:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.2:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_for_ibm_z_systems_eus:8.1:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_for_power_little_endian_eus:8.1:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_services_for_sap_solutions:8.1:*:*:*:*:*:*:*
*cpe:2.3:o:redhat:enterprise_linux_server_for_power_little_endian_update_service
Added
CPE Configuration
OR
*cpe:2.3:o:resf:rocky_linux:8.0:*:*:*:*:*:*:*
Modified Analysis by NIST
3/21/2025 5:01:59 PM
Action
Type
Old Value
New Value
CVE Modified by CISA-ADP
2/06/2025 4:15:16 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVE Modified by CVE
11/21/2024 1:24:06 AM
Action
Type
Old Value
New Value
Added
Reference
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf
Added
Reference
https://httpd.apache.org/security/vulnerabilities_24.html
Added
Reference
https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E
Added
Reference
https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E
Added
Reference
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E
Added
Reference
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E
Added
Reference
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E
Added
Reference
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E
Added
Reference
https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E
Added
Reference
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html
Added
Reference
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
Added
Reference
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
Added
Reference
https://security.gentoo.org/glsa/202208-20
Added
Reference
https://security.netapp.com/advisory/ntap-20211008-0004/
Added
Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ
Added
Reference
https://www.debian.org/security/2021/dsa-4982
Added
Reference
https://www.oracle.com/security-alerts/cpuapr2022.html
Added
Reference
https://www.oracle.com/security-alerts/cpujan2022.html
Added
Reference
https://www.tenable.com/security/tns-2021-17
Modified Analysis by NIST
7/24/2024 1:08:07 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
OR
*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
*cpe:2.3:o:broadcom:brocade_fabric_operating_system_firmware:-:*:*:*:*:*:*:*
Changed
CPE Configuration
OR
*cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*
*cpe:2.3:a:siemens:sinema_server:14.0:-:*:*:*:*:*:*
OR
*cpe:2.3:a:siemens:ruggedcom_nms:*:*:*:*:*:*:*:*
*cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:* versions up to (excluding) 1.0.3
*cpe:2.3:a:siemens:sinema_remote_connect_server:*:*:*:*:*:*:*:* versions up to (excluding) 3.1
*cpe:2.3:a:siemens:sinema_remote_connect_server:3.2:*:*:*:*:*:*:*
*cpe:2.3:a:siemens:sinema_server:14.0:-:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:a:tenable:tenable.sc:*:*:*:*:*:*:*:* versions up to (including) 5.19.1
Changed
Reference Type
https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E Mailing List
Changed
Reference Type
https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E Mailing List
Changed
Reference Type
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E Mailing List
Changed
Reference Type
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E Mailing List
Changed
Reference Type
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E Mailing List
Changed
Reference Type
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E Mailing List
Changed
Reference Type
https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E Mailing List
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ Release Notes
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ No Types Assigned
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ Release Notes
Changed
Reference Type
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ Third Party Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ Broken Link, Third Party Advisory
Changed
Reference Type
https://www.debian.org/security/2021/dsa-4982 Third Party Advisory
https://www.debian.org/security/2021/dsa-4982 Mailing List, Third Party Advisory
CVE Modified by Apache Software Foundation
5/14/2024 5:26:54 AM
Action
Type
Old Value
New Value
CVE Modified by Apache Software Foundation
11/06/2023 10:38:35 PM
Action
Type
Old Value
New Value
Added
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a%40%3Cusers.httpd.apache.org%3E [No types assigned]
Added
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37%40%3Cbugs.httpd.apache.org%3E [No types assigned]
Added
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432%40%3Cusers.httpd.apache.org%3E [No types assigned]
Added
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c%40%3Cusers.httpd.apache.org%3E [No types assigned]
Added
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697%40%3Cusers.httpd.apache.org%3E [No types assigned]
Added
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029%40%3Cusers.httpd.apache.org%3E [No types assigned]
Added
Reference
Apache Software Foundation https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00%40%3Cusers.httpd.apache.org%3E [No types assigned]
Added
Reference
Apache Software Foundation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ [No types assigned]
Added
Reference
Apache Software Foundation https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ [No types assigned]
Removed
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a@%3Cusers.httpd.apache.org%3E
Removed
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37@%3Cbugs.httpd.apache.org%3E
Removed
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E
Removed
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E
Removed
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E
Removed
Reference
Apache Software Foundation https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E
Removed
Reference
Apache Software Foundation https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00@%3Cusers.httpd.apache.org%3E
Removed
Reference
Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected] /message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/
Removed
Reference
Apache Software Foundation https://lists.fedoraproject.org/archives/list/[email protected] /message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/
Modified Analysis by NIST
10/04/2022 10:21:29 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*
OR
*cpe:2.3:a:oracle:enterprise_manager_ops_center:12.4.0.0:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:secure_global_desktop:5.6:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:zfs_storage_appliance_kit:8.8:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:a:siemens:sinec_nms:*:*:*:*:*:*:*:*
*cpe:2.3:a:siemens:sinema_server:14.0:-:*:*:*:*:*:*
Changed
Reference Type
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf No Types Assigned
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf Third Party Advisory
Changed
Reference Type
https://security.gentoo.org/glsa/202208-20 No Types Assigned
https://security.gentoo.org/glsa/202208-20 Third Party Advisory
Changed
Reference Type
https://www.oracle.com/security-alerts/cpuapr2022.html No Types Assigned
https://www.oracle.com/security-alerts/cpuapr2022.html Patch, Third Party Advisory
CVE Modified by Apache Software Foundation
8/15/2022 7:15:29 AM
Action
Type
Old Value
New Value
Added
Reference
https://security.gentoo.org/glsa/202208-20 [No Types Assigned]
CVE Modified by Apache Software Foundation
6/14/2022 7:15:10 AM
Action
Type
Old Value
New Value
Added
Reference
https://cert-portal.siemens.com/productcert/pdf/ssa-685781.pdf [No Types Assigned]
CVE Modified by Apache Software Foundation
4/19/2022 8:16:21 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.oracle.com/security-alerts/cpuapr2022.html [No Types Assigned]
Modified Analysis by NIST
3/25/2022 2:37:27 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
OR
*cpe:2.3:a:netapp:cloud_backup:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:a:oracle:http_server:12.2.1.3.0:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:http_server:12.2.1.4.0:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.1:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.2:*:*:*:*:*:*:*
*cpe:2.3:a:oracle:instantis_enterprisetrack:17.3:*:*:*:*:*:*:*
Changed
Reference Type
https://www.oracle.com/security-alerts/cpujan2022.html No Types Assigned
https://www.oracle.com/security-alerts/cpujan2022.html Patch, Third Party Advisory
CVE Modified by Apache Software Foundation
2/07/2022 11:16:27 AM
Action
Type
Old Value
New Value
Added
Reference
https://www.oracle.com/security-alerts/cpujan2022.html [No Types Assigned]
Modified Analysis by NIST
11/29/2021 12:20:20 PM
Action
Type
Old Value
New Value
Changed
Reference Type
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ No Types Assigned
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ Third Party Advisory
CVE Modified by Apache Software Foundation
11/24/2021 6:15:08 PM
Action
Type
Old Value
New Value
Added
Reference
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-apache-httpd-2.4.49-VWL69sWQ [No Types Assigned]
Modified Analysis by NIST
11/01/2021 10:38:17 AM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
*cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
Added
CPE Configuration
OR
*cpe:2.3:o:f5:f5os:*:*:*:*:*:*:*:* versions from (including) 1.1.0 up to (including) 1.1.4
*cpe:2.3:o:f5:f5os:*:*:*:*:*:*:*:* versions from (including) 1.2.0 up to (including) 1.2.1
Changed
Reference Type
https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a@%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37@%3Cbugs.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37@%3Cbugs.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00@%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed
Reference Type
https://security.netapp.com/advisory/ntap-20211008-0004/ No Types Assigned
https://security.netapp.com/advisory/ntap-20211008-0004/ Third Party Advisory
Changed
Reference Type
https://www.debian.org/security/2021/dsa-4982 No Types Assigned
https://www.debian.org/security/2021/dsa-4982 Third Party Advisory
Changed
Reference Type
https://www.tenable.com/security/tns-2021-17 No Types Assigned
https://www.tenable.com/security/tns-2021-17 Third Party Advisory
CVE Modified by Apache Software Foundation
10/19/2021 4:15:08 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.tenable.com/security/tns-2021-17 [No Types Assigned]
CVE Modified by Apache Software Foundation
10/19/2021 8:15:07 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/rf6954e60b1c8e480678ce3d02f61b8a788997785652e9557a3265c00@%3Cusers.httpd.apache.org%3E [No Types Assigned]
CVE Modified by Apache Software Foundation
10/19/2021 5:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/r210807d0bb55f4aa6fbe1512be6bcc4dacd64e84940429fba329967a@%3Cusers.httpd.apache.org%3E [No Types Assigned]
CVE Modified by Apache Software Foundation
10/10/2021 3:15:07 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.debian.org/security/2021/dsa-4982 [No Types Assigned]
CVE Modified by Apache Software Foundation
10/08/2021 8:15:07 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/r2eb200ac1340f69aa22af61ab34780c531d110437910cb9c0ece3b37@%3Cbugs.httpd.apache.org%3E [No Types Assigned]
CVE Modified by Apache Software Foundation
10/08/2021 11:15:09 AM
Action
Type
Old Value
New Value
Added
Reference
https://security.netapp.com/advisory/ntap-20211008-0004/ [No Types Assigned]
Modified Analysis by NIST
10/04/2021 11:46:25 AM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Removed
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
NIST (AV:N/AC:M/Au:N/C:P/I:P/A:P)
Removed
CVSS V2
NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Added
CPE Configuration
OR
*cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Changed
Reference Type
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html No Types Assigned
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html Mailing List, Third Party Advisory
CVE Modified by Apache Software Foundation
10/02/2021 2:15:07 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2021/10/msg00001.html [No Types Assigned]
Initial Analysis by NIST
9/27/2021 3:09:56 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
NIST (AV:N/AC:L/Au:N/C:P/I:P/A:P)
Added
CWE
NIST CWE-918
Added
CPE Configuration
OR
*cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* versions up to (including) 2.4.48
Added
CPE Configuration
OR
*cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
*cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Changed
Reference Type
https://httpd.apache.org/security/vulnerabilities_24.html No Types Assigned
https://httpd.apache.org/security/vulnerabilities_24.html Release Notes, Vendor Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed
Reference Type
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E No Types Assigned
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E Mailing List, Vendor Advisory
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/[email protected] /message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ No Types Assigned
https://lists.fedoraproject.org/archives/list/[email protected] /message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ Mailing List, Third Party Advisory
Changed
Reference Type
https://lists.fedoraproject.org/archives/list/[email protected] /message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ No Types Assigned
https://lists.fedoraproject.org/archives/list/[email protected] /message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ Mailing List, Third Party Advisory
CVE Modified by Apache Software Foundation
9/24/2021 9:15:53 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.fedoraproject.org/archives/list/[email protected] /message/ZNCYSR3BXT36FFF4XTCPL3HDQK4VP45R/ [No Types Assigned]
CVE Modified by Apache Software Foundation
9/23/2021 11:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/r61fdbfc26ab170f4e6492ef3bd5197c20b862ce156e9d5a54d4b899c@%3Cusers.httpd.apache.org%3E [No Types Assigned]
CVE Modified by Apache Software Foundation
9/23/2021 9:15:11 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/r3925e167d5eb1c75def3750c155d753064e1d34a143028bb32910432@%3Cusers.httpd.apache.org%3E [No Types Assigned]
CVE Modified by Apache Software Foundation
9/23/2021 8:15:08 AM
Action
Type
Old Value
New Value
Added
Reference
https://lists.apache.org/thread.html/r82838efc5fa6fc4c73986399c9b71573589f78b31846aff5bd9b1697@%3Cusers.httpd.apache.org%3E [No Types Assigned]
Added
Reference
https://lists.apache.org/thread.html/r82c077663f9759c7df5a6656f925b3ee4f55fcd33c889ba7cd687029@%3Cusers.httpd.apache.org%3E [No Types Assigned]
CVE Modified by Apache Software Foundation
9/20/2021 12:15:14 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.fedoraproject.org/archives/list/[email protected] /message/SPBR6WUYBJNACHKE65SPL7TJOHX7RHWD/ [No Types Assigned]
Quick Info
CVE Dictionary Entry: CVE-2021-40438 NVD
Published Date: 09/16/2021 NVD
Last Modified: 06/17/2026
Source: Apache Software Foundation