{"schemaVersion":3,"id":"CVE-2020-4499","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"IBM Security Access Manager 9.0.7 and IBM Security Verify Access 10.0.0 could allow an unauthorized public Oauth client to bypass some or all of the authentication checks and gain access to applications. IBM X-Force ID: 182216.","dates":{"published":"2020-10-15T12:40:21.263Z","modified":"2024-09-17T04:28:43.932Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9.8,"severity":"critical","version":"3.1","versionLabel":"v3.1","source":"NVD","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":7.3,"severity":"high","vector":"CVSS:3.0/I:L/UI:N/AC:L/PR:N/AV:N/C:L/S:U/A:L/RC:C/E:U/RL:O","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":9.8,"severity":"critical","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":7.3,"severity":"high","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":7.5,"severity":"high","vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.01248,"percentile":0.68937,"severity":"low","asOf":"2026-10-20T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-20T00:00:00.000Z","baselineScore":0.01248},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01248,"percentile":0.68937}],"last30":[{"date":"2026-09-20T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.01248,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.01248,"percentile":0.68937}]},"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":[],"affected":[{"vendor":"ibm","product":"security_access_manager","name":"security access manager","label":"security_access_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"9.0.7","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.0.7.0, < 9.0.7.2","noFixRecorded":false,"fixedIn":null}],"versionsText":"9.0.7 | ≥ 9.0.7.0, < 9.0.7.2","eol":null,"hubHref":"/vendor/ibm/security_access_manager"},{"vendor":"ibm","product":"security verify access","name":"Security Verify Access","label":"security verify access","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"10.0.0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 10.0.0, < 10.0.0.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"10.0.0 | ≥ 10.0.0, < 10.0.0.1","eol":null,"hubHref":"/vendor/ibm/security_verify_access"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.ibm.com/support/pages/node/6348046","label":"www.ibm.com/support/pages/node/6348046","hostname":"www.ibm.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/182216","label":"exchange.xforce.ibmcloud.com/vulnerabilities/182216","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-10-15T12:40:21.263Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T04:28:43.932Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":70,"level":"high","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-20T22:05:07.679Z","stale":false,"partial":false}}