CVE-2021-4294

Name: CVE-2021-4294
Creator: NVD / NIST
Published: 2022-12-28T17:15:09.067+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2021-4294 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. A vulnerability was found in OpenShift OSIN. It has been classified as problematic. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS Probability

0.68%

47.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Openshift Container Platform	4.0
Redhat	Openshift Osin	1.0.0
Redhat	Openshift Osin	1.0.1

References

https://github.com/openshift/osin/commit/8612686d6dda34ae9ef6b5a974e4b7accb4fea29Patch
https://github.com/openshift/osin/pull/200Issue Tracking
https://vuldb.com/?ctiid.216987Permissions Required
https://vuldb.com/?id.216987Permissions Required
https://github.com/openshift/osin/commit/8612686d6dda34ae9ef6b5a974e4b7accb4fea29Patch
https://github.com/openshift/osin/pull/200Issue Tracking
https://vuldb.com/?ctiid.216987Permissions Required
https://vuldb.com/?id.216987Permissions Required

Timeline

Published: Dec 28, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-4294?

How severe is CVE-2021-4294?

CVE-2021-4294 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2021-4294?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-4294?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST