{"schemaVersion":3,"id":"CVE-2020-4280","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"IBM QRadar SIEM 7.3 and 7.4 could allow a remote attacker to execute arbitrary commands on the system, caused by insecure deserialization of user-supplied content by the Java deserialization function. By sending a malicious serialized Java object, an attacker could exploit this vulnerability to execute arbitrary commands on the system. IBM X-Force ID: 176140.","dates":{"published":"2020-10-08T13:20:16.545Z","modified":"2024-09-16T18:38:29.526Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":9,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":6.3,"severity":"medium","vector":"CVSS:3.0/AC:L/A:L/I:L/C:L/PR:L/UI:N/S:U/AV:N/E:U/RC:C/RL:O","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"NVD","score":8.8,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:L/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":6.3,"severity":"medium","vector":"CVSS:3.0/AV:N/AC:L/PR:L/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":9,"severity":"high","vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.72975,"percentile":0.99455,"severity":"critical","asOf":"2026-10-22T00:00:00.000Z","change":{"pp":-0.47599999999999865,"baselineDate":"2026-09-22T00:00:00.000Z","baselineScore":0.73451},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.72975,"percentile":0.99455}],"last30":[{"date":"2026-09-22T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.73451,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.72975,"percentile":null},{"date":"2026-10-22T00:00:00.000Z","score":0.72975,"percentile":0.99455}]},"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":[{"id":"REF_2A9F7C566D43BD43","name":"Exploit Reference (seclists.org)","source":"reference","url":"http://seclists.org/fulldisclosure/2020/Oct/18","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null},{"id":"REF_D355E67305746E5B","name":"Exploit Reference (packetstormsecurity.com)","source":"reference","url":"http://packetstormsecurity.com/files/159589/QRadar-RemoteJavaScript-Deserialization.html","maturity":"unknown","reliabilityScore":0.2,"verified":false,"type":null,"platforms":[],"requiresAuth":null,"exploitdb":null,"metasploit":null}],"exploitCount":2,"weaknesses":[{"id":"CWE-502","name":"Deserialization of Untrusted Data","description":"The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.","type":"weakness","status":"Draft","abstraction":"Base","likelihoodOfExploit":"Medium","url":"https://cwe.mitre.org/data/definitions/502.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, ≤ 7.4.1","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}],"versionsText":"≥ 7.3.0, ≤ 7.3.3 | ≥ 7.4.0, ≤ 7.4.1 | 7.3.3:p1 | 7.3.3:p2 | 7.3.3:p3 | 7.3.3:p4","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":"7.3.3.Patch.4","noFixRecorded":false,"fixedIn":null},{"text":"7.4.0","noFixRecorded":false,"fixedIn":null},{"text":"7.4.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.3.0 | 7.3.3.Patch.4 | 7.4.0 | 7.4.1","eol":null,"hubHref":"/vendor/ibm/qradar_siem"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.ibm.com/support/pages/node/6344079","label":"www.ibm.com/support/pages/node/6344079","hostname":"www.ibm.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/176140","label":"exchange.xforce.ibmcloud.com/vulnerabilities/176140","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF","Vendor Advisory"]},{"url":"http://seclists.org/fulldisclosure/2020/Oct/18","label":"seclists.org/fulldisclosure/2020/Oct/18","hostname":"seclists.org","tags":["Mailing List","X Refsource FULLDISC","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/159589/QRadar-RemoteJavaScript-Deserialization.html","label":"packetstormsecurity.com/files/159589/QRadar-RemoteJavaScript-Deserialization.html","hostname":"packetstormsecurity.com","tags":["X Refsource MISC","Exploit","Third Party Advisory","VDB Entry"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-10-08T13:20:16.545Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T18:38:29.526Z","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":"2026-10-22T19:36:50.578Z","stale":false,"partial":false}}