NVD

CVE-2021-20093 Detail

Modified

This vulnerability has been modified since it was last analyzed by the NVD. It is awaiting reanalysis which may result in further changes to the information provided.

Description

A buffer over-read vulnerability exists in Wibu-Systems CodeMeter versions < 7.21a. An unauthenticated remote attacker can exploit this issue to disclose heap memory contents or crash the CodeMeter Runtime Server.

Metrics

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:

NIST: NVD

N/A

NVD assessment not yet provided.

CVSS 3.x Severity and Vector Strings:

NIST: NVD

Base Score: 9.1 CRITICAL

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CVSS 2.0 Severity and Vector Strings:

National Institute of Standards and Technology

NIST: NVD

Base Score: 6.4 MEDIUM

Vector: (AV:N/AC:L/Au:N/C:P/I:N/A:P)

References to Advisories, Solutions, and Tools

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Hyperlink	Resource
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf	Mitigation Vendor Advisory
https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf	Mitigation Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf	Patch Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf	Patch Third Party Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02	Third Party Advisory US Government Resource
https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02	Third Party Advisory US Government Resource
https://www.tenable.com/security/research/tra-2021-24	Exploit Patch Third Party Advisory
https://www.tenable.com/security/research/tra-2021-24	Exploit Patch Third Party Advisory

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-125	Out-of-bounds Read	NIST

Known Affected Software Configurations Switch to CPE 2.2

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Change History

6 change records found show changes

Modified Analysis by NIST 10/06/2022 1:43:33 PM

Action	Type	Old Value	New Value
Added	CPE Configuration		AND OR cpe:2.3:o:siemens:sicam_230_firmware::::::::* OR cpe:2.3:h:siemens:sicam_230:-:::::::*
Added	CPE Configuration		OR cpe:2.3:a:siemens:pss_cape:-:::::::
Added	CPE Configuration		Record truncated, showing 500 of 1168 characters. View Entire Change Record OR cpe:2.3:a:siemens:simatic_information_server:2019:sp1::::::* cpe:2.3:a:siemens:simatic_information_server:2020:-::::::* cpe:2.3:a:siemens:simatic_pcs_neo::::::::* versions up to (excluding) 3.1 cpe:2.3:a:siemens:simatic_wincc_oa:3.17:-::::::* cpe:2.3:a:siemens:simatic_wincc_oa:3.18:-::::::* cpe:2.3:a:siemens:simit_simulation_platform::::::::* versions from (including) 10.0 up to (excluding) 10.3 *cpe:2.3:a:siemens:simi
Changed	Reference Type	https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf No Types Assigned	https://cert-portal.siemens.com/productcert/pdf/ssa-675303.pdf Patch, Third Party Advisory
Changed	Reference Type	https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 No Types Assigned	https://us-cert.cisa.gov/ics/advisories/icsa-21-210-02 Third Party Advisory, US Government Resource

Initial Analysis by NIST 6/22/2021 3:52:23 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:N/A:H
Added	CVSS V2		NIST (AV:N/AC:L/Au:N/C:P/I:N/A:P)
Added	CWE		NIST CWE-125
Added	CPE Configuration		OR cpe:2.3:a:wibu:codemeter::::::::* versions up to (including) 7.21a
Changed	Reference Type	https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf No Types Assigned	https://cdn.wibu.com/fileadmin/wibu_downloads/security_advisories/Advisory_WIBU-210423-01.pdf Mitigation, Vendor Advisory
Changed	Reference Type	https://www.tenable.com/security/research/tra-2021-24 No Types Assigned	https://www.tenable.com/security/research/tra-2021-24 Exploit, Patch, Third Party Advisory

Quick Info

CVE Dictionary Entry:
CVE-2021-20093
NVD Published Date:
06/16/2021
NVD Last Modified:
11/21/2024
Source:
Tenable Network Security, Inc.

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Information Technology Laboratory

National Vulnerability Database

National Vulnerability Database

CVE-2021-20093 Detail

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Known Affected Software Configurations Switch to CPE 2.2

CPEs loading, please wait.

Change History

CVE Modified by CVE 11/21/2024 12:45:54 AM

CVE Modified by Tenable Network Security, Inc. 5/14/2024 4:02:15 AM

Modified Analysis by NIST 10/06/2022 1:43:33 PM

CVE Modified by Tenable Network Security, Inc. 8/05/2021 5:15:10 PM

CVE Modified by Tenable Network Security, Inc. 7/13/2021 9:15:09 AM

Initial Analysis by NIST 6/22/2021 3:52:23 PM

Quick Info