CVE-2021-29723 : IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than ex

IBM Sterling Secure Proxy 6.0.1, 6.0.2, 2.4.3.2, and 3.4.3.2 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-ForceID: 201100.

Published 2021-08-30 17:15:07

Updated 2023-02-14 15:51:39

Source IBM Corporation

View at NVD, CVE.org

Products affected by CVE-2021-29723

IBM » Sterling Secure Proxy » Version: 3.4.3.2
cpe:2.3:a:ibm:sterling_secure_proxy:3.4.3.2:*:*:*:*:*:*:*
Matching versions
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » Linux On Ibm Z » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A
IBM » Sterling Secure Proxy » Version: 6.0.1
cpe:2.3:a:ibm:sterling_secure_proxy:6.0.1:*:*:*:*:*:*:*
Matching versions
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » Linux On Ibm Z » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A
IBM » Sterling Secure Proxy » Version: 6.0.2
cpe:2.3:a:ibm:sterling_secure_proxy:6.0.2:*:*:*:*:*:*:*
Matching versions
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » Linux On Ibm Z » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A
IBM » Sterling External Authentication Server » Version: 2.4.3.2
cpe:2.3:a:ibm:sterling_external_authentication_server:2.4.3.2:*:*:*:*:*:*:*
Matching versions
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » Linux On Ibm Z » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A
IBM » Sterling External Authentication Server » Version: 6.0.1.0
cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.1.0:*:*:*:*:*:*:*
Matching versions
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » Linux On Ibm Z » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A
IBM » Sterling External Authentication Server » Version: 6.0.2.0
cpe:2.3:a:ibm:sterling_external_authentication_server:6.0.2.0:*:*:*:*:*:*:*
Matching versions
When used together with: HP » Hp-ux » Version: N/A
When used together with: IBM » AIX » Version: N/A
When used together with: IBM » Linux On Ibm Z » Version: N/A
When used together with: Linux » Linux Kernel » Version: N/A
When used together with: Microsoft » Windows » Version: N/A
When used together with: Oracle » Solaris » Version: N/A

Exploit prediction scoring system (EPSS) score for CVE-2021-29723

EPSS FAQ

0.12%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 47 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-29723

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
5.0	MEDIUM	AV:N/AC:L/Au:N/C:P/I:N/A:N	10.0	2.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: None Availability Impact: None
5.9	MEDIUM	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N	2.2	3.6	IBM Corporation
Attack Vector: Network Attack Complexity: High Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None
7.5	HIGH	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N	3.9	3.6	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: None Availability: None

CWE ids for CVE-2021-29723

CWE-327 Use of a Broken or Risky Cryptographic Algorithm

The product uses a broken or risky cryptographic algorithm or protocol.

Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-29723

https://exchange.xforce.ibmcloud.com/vulnerabilities/201100

IBM Sterling Secure Proxy information disclosure CVE-2021-29723 Vulnerability Report
VDB Entry;Vendor Advisory
https://www.ibm.com/support/pages/node/6484685

Security Bulletin: Multiple Vulnerabilities Affect IBM Secure External Authentication Server
Patch;Vendor Advisory

CVEs referencing this url
https://www.ibm.com/support/pages/node/6484681

Security Bulletin: Multiple Vulnerabilities Affect IBM Secure Proxy
Patch;Vendor Advisory

CVEs referencing this url

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Vulnerability Details : CVE-2021-29723

Products affected by CVE-2021-29723

Exploit prediction scoring system (EPSS) score for CVE-2021-29723

CVSS scores for CVE-2021-29723

CWE ids for CVE-2021-29723

References for CVE-2021-29723