{"cve":"CVE-2021-4294","nvd":{"published":"2022-12-28T17:15:09.067","modified":"2026-06-17T04:19:26.603","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-203","CWE-208"],"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"],"products":["redhat:openshift_container_platform","redhat:openshift_osin"],"source":"nvd","synced_at":"2026-10-19T21:37:31.370122805+00:00"},"epss":{"cve":"CVE-2021-4294","score":0.0072,"percentile":0.53948,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-m7qp-cj9p-gj85","url":"https://osv.dev/vulnerability/GHSA-m7qp-cj9p-gj85","summary":"OpenShift OSIN vulnerable to Observable Timing Discrepancy","modified":"2024-03-01T14:23:07Z","packages":[{"ecosystem":"Go","name":"github.com/openshift/osin","purl":"pkg:golang/github.com/openshift/osin","ranges":["<1.0.2-0.20210113124101-8612686d6dda"],"fixed":["1.0.2-0.20210113124101-8612686d6dda"]}]},{"id":"GO-2022-1201","url":"https://osv.dev/vulnerability/GO-2022-1201","summary":"Timing attack in github.com/openshift/osin","modified":"2024-05-20T16:03:47Z","packages":[{"ecosystem":"Go","name":"github.com/openshift/osin","purl":"pkg:golang/github.com/openshift/osin","ranges":["<1.0.2-0.20210113124101-8612686d6dda"],"fixed":["1.0.2-0.20210113124101-8612686d6dda"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}