CVE-2021-29726

Description

IBM Sterling Secure Proxy 6.0.3 and IBM Secure External Authentication Server 6.0.3 does not properly ensure that a certificate is actually associated with the host due to improper validation of certificates. IBM X-Force ID: 201104.

Category

5.3
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 3.0 •
CVSS 2.0 •
EPSS 0.20%
Vendor Advisory ibmcloud.com Vendor Advisory ibm.com Vendor Advisory ibm.com
Affected: IBM Secure External Authentication Server
Affected: IBM Sterling Secure Proxy
Published at:
Updated at:

References

Link Tags
https://www.ibm.com/support/pages/node/6586754 patch vendor advisory
https://www.ibm.com/support/pages/node/6586756 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/201104 vdb entry vendor advisory

Frequently Asked Questions

What is the severity of CVE-2021-29726?
CVE-2021-29726 has been scored as a medium severity vulnerability.
How to fix CVE-2021-29726?
To fix CVE-2021-29726, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-29726 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-29726 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-29726?
CVE-2021-29726 affects IBM Secure External Authentication Server, IBM Sterling Secure Proxy.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.