CVE-2021-29726
IBM Sterling Secure Proxy 6.0.3 and IBM Secure External Authentication Server 6.0.3 does not...
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2021-29726- CVSS 3.0
- 5.3 Medium
CVSS:3.0/S:U/AC:L/UI:N/PR:N/A:N/AV:N/C:N/I:L/RC:C/RL:O/E:U - Updated
- 2026-11-02
EUVDEUVD-2021-16200
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.
- Record
EUVD-2021-16200- CVSS 3.0
- 5.3 Medium
CVSS:3.0/S:U/AC:L/UI:N/PR:N/A:N/AV:N/C:N/I:L/RC:C/RL:O/E:U - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r9vh-gjqp-fh37
IBM Sterling Secure Proxy 6.0.3 and IBM Secure External Authentication Server 6.0.3 does not...
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.
- Record
GHSA-r9vh-gjqp-fh37- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2021-29726- CVSS 3.1
- 5.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-295
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases, published | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-29726 is a medium vulnerability (CVSS 5.3) in Ibm Secure External Authentication Server, published May 17, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.88%, the 59th percentile. No source names a fixed version.