CVE-2021-22900
Detail
Modified This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
A vulnerability allowed multiple unrestricted uploads in Pulse Connect Secure before 9.1R11.4 that could lead to an authenticated administrator to perform a file write via a maliciously crafted archive upload in the administrator web interface.
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:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:N/AC:L/Au:S/C:P/I:P/A:P)
References to Advisories, Solutions, and Tools
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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
Ivanti Pulse Connect Secure Unrestricted File Upload Vulnerability
11/03/2021
04/23/2021
Apply updates per vendor instructions.
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-669
Incorrect Resource Transfer Between Spheres
NIST
CWE-94
Improper Control of Generation of Code ('Code Injection')
HackerOne
Change History
49 change records found show changes
CVE Modified by CISA-ADP 10/21/2025 8:17:24 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22900
CVE Modified by CISA-ADP 10/21/2025 4:18:21 PM
Action
Type
Old Value
New Value
Removed
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22900
CVE Modified by CISA-ADP 10/21/2025 3:18:53 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22900
Modified Analysis by NIST 3/21/2025 3:25:50 PM
Action
Type
Old Value
New Value
Changed
Reference Type
CVE: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY Types: Vendor Advisory
CVE: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY Types: Broken Link, Vendor Advisory
Changed
Reference Type
HackerOne: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY Types: Vendor Advisory
HackerOne: https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY Types: Broken Link, Vendor Advisory
CVE Modified by CISA-ADP 2/04/2025 2:15:23 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
CVE Modified by CVE 11/21/2024 12:50:52 AM
Action
Type
Old Value
New Value
Added
Reference
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY
CVE Modified by HackerOne 5/14/2024 4:17:50 AM
Action
Type
Old Value
New Value
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r5:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r5:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r6:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r6:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r7:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r7:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:-:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:-:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r2:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r2:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r3:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r3:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r4:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r4:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r4.1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r4.1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r4.2:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r4.2:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r4.3:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r4.3:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r8:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r8:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r8.1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r8.1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r8.2:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r8.2:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r8.4:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r8.4:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r9:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r9:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r9.1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r9.1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r9.2:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r9.2:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r10.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r10.0:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r10.2:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r10.2:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r11.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r11.0:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r11.1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r11.1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r11.3:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.1:r11.3:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r1.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r1.0:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r2.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r2.0:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r3.0:*:*:*:*:*:*
CPE Deprecation Remap by NIST 2/27/2024 4:04:17 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r4.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r4.0:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r2:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r2:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r2.1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r2.1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r3:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r3.1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.2:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r3.2:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.3:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r3.3:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:-:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:-:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.5:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r3.5:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r4:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r4:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r4.1:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r4.1:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r5.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r5.0:*:*:*:*:*:*
CPE Deprecation Remap by NIST 1/13/2024 1:36:49 PM
Action
Type
Old Value
New Value
Changed
CPE Configuration
OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r6.0:*:*:*:*:*:*
OR
*cpe:2.3:a:ivanti:connect_secure:9.0:r6.0:*:*:*:*:*:*
Reanalysis by NIST 8/30/2022 5:22:01 PM
Action
Type
Old Value
New Value
Added
CWE
NIST CWE-669
Removed
CWE
NIST CWE-94
Initial Analysis by NIST 6/04/2021 2:35:11 PM
Action
Type
Old Value
New Value
Added
CVSS V3.1
NIST AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
Added
CVSS V2
NIST (AV:N/AC:L/Au:S/C:P/I:P/A:P)
Added
CWE
NIST CWE-94
Added
CPE Configuration
Record truncated, showing 2048 of 2871 characters. View Entire Change Record OR
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:-:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r1:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r1.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r2:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r2.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r2.1:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.1:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.2:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.3:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r3.5:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r4:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r4.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r4.1:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r5.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.0:r6.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:-:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r1:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r10.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r10.2:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r11.0:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r11.1:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r11.3:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r2:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r3:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r4:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r4.1:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:pulse_connect_secure:9.1:r4.2:*:*:*:*:*:*
*cpe:2.3:a:pulsesecure:puls
Changed
Reference Type
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY No Types Assigned
https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44784/?kA23Z000000boUWSAY Vendor Advisory
Quick Info
CVE Dictionary Entry: CVE-2021-22900 NVD
Published Date: 05/27/2021 NVD
Last Modified: 10/21/2025
Source: HackerOne
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