CVE-2021-4294OpenShift OSIN CheckClientSecret timing discrepancy
- 2.6LowCVSS base score
- 0.72%Exploitation in 30 daysEPSS · top 45% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By VulDB
Published
- 19 months later
· 19 months later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| VulDBCNA (assigner) | 3.1 | Low2.6 | CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
| VulDBCNA (assigner) | 3.0 | Low2.6 | CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N |
| NVDNVD · Modified | 3.1 | Medium5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
- EPSS (exploitation in 30 days)
- 0.72% · top 45% of all CVEs (14 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Low 2.6.
Affected products
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- Gogithub.com/openshift/osinGHSA-m7qp-cj9p-gj85 (opens in a new tab)
References
References4
- https://vuldb.com/?id.216987 (opens in a new tab)vdb-entrytechnical-descriptionx_transferred
- https://vuldb.com/?ctiid.216987 (opens in a new tab)signaturepermissions-requiredx_transferred
- https://github.com/openshift/osin/pull/200 (opens in a new tab)issue-trackingx_transferred
- https://github.com/openshift/osin/commit/8612686d6dda34ae9ef6b5a974e4b7accb4fea29 (opens in a new tab)patchx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2022-7680 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-m7qp-cj9p-gj85 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-4294)Record last updated .