{"schemaVersion":3,"id":"CVE-2021-20337","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"IBM QRadar SIEM 7.3.0 to 7.3.3 Patch 8 and 7.4.0 to 7.4.3 GA uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 194448.","dates":{"published":"2021-07-26T12:10:34.395Z","modified":"2024-09-17T00:35:53.266Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":7.5,"severity":"high","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:N/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":5.9,"severity":"medium","vector":"CVSS:3.0/S:U/PR:N/AV:N/UI:N/C:H/AC:H/I:N/A:N/RC:C/E:U/RL:O","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.0","versionLabel":"v3.0","source":"NVD","score":5.9,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":5,"severity":"medium","vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.0071,"percentile":0.52684,"severity":"low","asOf":"2026-10-19T00:00:00.000Z","change":{"pp":0,"baselineDate":"2026-09-19T00:00:00.000Z","baselineScore":0.0071},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0071,"percentile":0.52684}],"last30":[{"date":"2026-09-19T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.0071,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.0071,"percentile":0.52684}]},"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-327","name":"Use of a Broken or Risky Cryptographic Algorithm","description":"The product uses a broken or risky cryptographic algorithm or protocol.","type":"weakness","status":"Draft","abstraction":"Class","likelihoodOfExploit":"High","url":"https://cwe.mitre.org/data/definitions/327.html"}],"affected":[{"vendor":"ibm","product":"qradar_security_information_and_event_manager","name":"qradar security information and event manager","label":"qradar_security_information_and_event_manager","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"≥ 7.3.0, < 7.3.3","noFixRecorded":false,"fixedIn":null},{"text":"≥ 7.4.0, < 7.4.3","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p1","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p2","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p3","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p4","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p5","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p6","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p7","noFixRecorded":false,"fixedIn":null},{"text":"7.3.3:p8","noFixRecorded":false,"fixedIn":null},{"text":"7.4.3","noFixRecorded":false,"fixedIn":null},{"text":"7.4.3:fix_pack_1","noFixRecorded":false,"fixedIn":null},{"text":"7.4.3:fix_pack_2","noFixRecorded":false,"fixedIn":null},{"text":"7.4.3:fix_pack_3","noFixRecorded":false,"fixedIn":null}],"versionsText":"≥ 7.3.0, < 7.3.3 | ≥ 7.4.0, < 7.4.3 | 7.3.3 | 7.3.3:p1 | 7.3.3:p2 | 7.3.3:p3 | 7.3.3:p4 | 7.3.3:p5 | 7.3.3:p6 | 7.3.3:p7 | 7.3.3:p8 | 7.4.3 | 7.4.3:fix_pack_1 | 7.4.3:fix_pack_2 | 7.4.3:fix_pack_3","eol":null,"hubHref":"/vendor/ibm/qradar_security_information_and_event_manager"},{"vendor":"ibm","product":"qradar siem","name":"QRadar SIEM","label":"qradar siem","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.3.0","noFixRecorded":false,"fixedIn":null},{"text":"7.4.0","noFixRecorded":false,"fixedIn":null},{"text":"7.4.3","noFixRecorded":false,"fixedIn":null},{"text":"7.3.Patch.8","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.3.0 | 7.4.0 | 7.4.3 | 7.3.Patch.8","eol":null,"hubHref":"/vendor/ibm/qradar_siem"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.ibm.com/support/pages/node/6474847","label":"www.ibm.com/support/pages/node/6474847","hostname":"www.ibm.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/194448","label":"exchange.xforce.ibmcloud.com/vulnerabilities/194448","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF","Vendor Advisory"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2021-07-26T12:10:34.395Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-17T00:35:53.266Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":30,"level":"medium","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T17:37:23.010Z","stale":false,"partial":false}}