What’s Vulnerable › Vulnerabilities

CVE-2021-4294: OpenShift OSIN CheckClientSecret timing discrepancy

• Severity: medium (CVSS 5.9 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-28 · updated 2026-06-17
• Weakness: CWE-208

Description

A vulnerability was found in OpenShift OSIN. It has been classified as problematic. This affects the function ClientSecretMatches/CheckClientSecret. The manipulation of the argument secret leads to observable timing discrepancy. The name of the patch is 8612686d6dda34ae9ef6b5a974e4b7accb4fea29. It is recommended to apply a patch to fix this issue. The associated identifier of this vulnerability is VDB-216987.

Affected products

• Red Hat OpenShift Container Platform 4.18: 4.0
• RedHat Openshift Osin: 1.0.0, 1.0.1

References

• https://github.com/openshift/osin/commit/8612686d6dda34ae9ef6b5a974e4b7accb4fea29
• https://github.com/openshift/osin/pull/200
• https://vuldb.com/?ctiid.216987
• https://vuldb.com/?id.216987
• https://github.com/openshift/osin/commit/8612686d6dda34ae9ef6b5a974e4b7accb4fea29
• https://github.com/openshift/osin/pull/200
• https://vuldb.com/?ctiid.216987
• https://vuldb.com/?id.216987

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