Certificate Validation Flaw in IBM Sterling Secure Proxy and Secure External Authentication Server
CVE-2021-29726

5.3MEDIUM

Key Information:

Vendor

IBM
Status
Secure External Authentication Server
Sterling Secure Proxy
Vendor
CVE Published:
17 May 2022

What is CVE-2021-29726?

IBM Sterling Secure Proxy and IBM Secure External Authentication Server versions 6.0.3 exhibit a critical flaw where the system does not adequately validate that a certificate is linked to the corresponding host. This improper certificate validation can potentially allow unauthorized access or mislead the system into trusting invalid certificates, posing a significant security risk. Users are advised to apply patches and monitor their systems to mitigate any possible exploitation.

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Deploy the Patch

Affected Version(s)

Secure External Authentication Server 6.0.3

Sterling Secure Proxy 6.0.3

References

https://www.ibm.com/support/pages/node/6586754
x_refsource_CONFIRM
https://www.ibm.com/support/pages/node/6586756
x_refsource_CONFIRM
https://exchange.xforce.ibmcloud.com/vulnerabilities/201104
vdb-entryx_refsource_XF

CVSS V3.1

Score:
5.3
Severity:
MEDIUM
Confidentiality:
None
Integrity:
Low
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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