{"schemaVersion":3,"id":"CVE-2021-4294","aliases":["GHSA-m7qp-cj9p-gj85","GO-2022-1201"],"status":"published","duplicateOf":null,"title":null,"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.","dates":{"published":"2022-12-28T16:51:34.378Z","modified":"2024-08-03T17:23:10.323Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":5.9,"severity":"medium","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":2.6,"severity":"low","vector":"CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":2.6,"severity":"low","vector":"CVSS:3.0/AV:A/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Go","score":5.9,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":5.6,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":5.9,"severity":"medium","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.00694,"percentile":0.5212,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0.01799999999999996,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.00676},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00694,"percentile":0.5212}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.00676,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.00694,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.00694,"percentile":0.5212}]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[{"id":"CWE-208","name":"Observable Timing Discrepancy","description":"Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/208.html"},{"id":"CWE-203","name":"Observable Discrepancy","description":"The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor.","type":"weakness","status":"Incomplete","abstraction":"Base","likelihoodOfExploit":null,"url":"https://cwe.mitre.org/data/definitions/203.html"}],"affected":[{"vendor":"github.com/openshift","product":"osin","name":"github.com/openshift/osin","label":"osin","ecosystem":"Go","cpePart":null,"purl":"pkg:golang/github.com/openshift/osin","purlType":"golang","versions":[{"text":"< 1.0.2-0.20210113124101-8612686d6dda","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 1.0.2-0.20210113124101-8612686d6dda","eol":null,"hubHref":null},{"vendor":"openshift","product":"osin","name":"OSIN","label":"osin","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"n/a","noFixRecorded":false,"fixedIn":null}],"versionsText":"n/a","eol":null,"hubHref":"/vendor/openshift/osin"},{"vendor":"redhat","product":"openshift_container_platform","name":"openshift container platform","label":"openshift_container_platform","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"4.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"4.0","eol":null,"hubHref":"/vendor/redhat/openshift_container_platform"},{"vendor":"redhat","product":"openshift_osin","name":"openshift osin","label":"openshift_osin","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"1.0.0","noFixRecorded":false,"fixedIn":null},{"text":"1.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"1.0.0 | 1.0.1","eol":null,"hubHref":"/vendor/redhat/openshift_osin"}],"affectedCount":4,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://vuldb.com/?id.216987","label":"vuldb.com?id.216987","hostname":"vuldb.com","tags":["VDB Entry","Technical Description","WEB","Permissions Required"]},{"url":"https://vuldb.com/?ctiid.216987","label":"vuldb.com?ctiid.216987","hostname":"vuldb.com","tags":["Signature","Permissions Required","WEB"]},{"url":"https://github.com/openshift/osin/pull/200","label":"github.com/openshift/osin/pull/200","hostname":"github.com","tags":["Issue Tracking","WEB","FIX"]},{"url":"https://github.com/openshift/osin/commit/8612686d6dda34ae9ef6b5a974e4b7accb4fea29","label":"github.com/openshift/osin/commit/8612686d6dda34ae9ef6b5a974e4b7accb4fea29","hostname":"github.com","tags":["Patch","WEB","FIX"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-4294","label":"nvd.nist.gov/vuln/detail/CVE-2021-4294","hostname":"nvd.nist.gov","tags":["Advisory"]},{"url":"https://github.com/openshift/osin","label":"github.com/openshift/osin","hostname":"github.com","tags":["PACKAGE"]},{"url":"https://pkg.go.dev/vuln/GO-2022-1201","label":"pkg.go.dev/vuln/GO-2022-1201","hostname":"pkg.go.dev","tags":["WEB"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2022-12-28T16:51:34.378Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-08-03T17:23:10.323Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":24,"level":"low","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T18:21:25.585Z","stale":false,"partial":false}}