{"schemaVersion":3,"id":"CVE-2020-4448","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"IBM WebSphere Application Server Network Deployment 7.0, 8.0, 8.5, and 9.0 could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects from untrusted sources. IBM X-Force ID: 181228.","dates":{"published":"2020-06-05T12:55:17.738Z","modified":"2024-09-16T20:58:31.822Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":10,"severity":"high","version":"2.0","versionLabel":"v2.0","source":"NVD","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.0","versionLabel":"v3.0","source":"CVE.org","score":9.8,"severity":"critical","vector":"CVSS:3.0/S:U/I:H/A:H/UI:N/AC:L/PR:N/C:H/AV:N/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":9.8,"severity":"critical","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","exploitability":null,"impact":null,"computed":false},{"version":"2.0","versionLabel":"v2.0","source":"NVD","score":10,"severity":"high","vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","exploitability":null,"impact":null,"computed":false}]},"epss":{"probability":0.12521,"percentile":0.96217,"severity":"medium","asOf":"2026-10-21T00:00:00.000Z","change":{"pp":0.29699999999999865,"baselineDate":"2026-09-21T00:00:00.000Z","baselineScore":0.12224},"history":[{"date":"2026-09-14T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-15T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-16T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-17T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-18T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-19T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-20T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-21T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.12521,"percentile":0.96217}],"last30":[{"date":"2026-09-21T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-22T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-23T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-24T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-25T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-26T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-27T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-28T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-29T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-09-30T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-01T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-02T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-03T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-04T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-05T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-06T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-07T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-08T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-09T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-10T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-11T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-12T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-13T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-14T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-15T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-16T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-17T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-18T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-19T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-20T00:00:00.000Z","score":0.12224,"percentile":null},{"date":"2026-10-21T00:00:00.000Z","score":0.12521,"percentile":0.96217}]},"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-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":"websphere_application_server","name":"websphere application server","label":"websphere_application_server","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.0","noFixRecorded":false,"fixedIn":null},{"text":"8.0","noFixRecorded":false,"fixedIn":null},{"text":"8.5","noFixRecorded":false,"fixedIn":null},{"text":"9.0","noFixRecorded":false,"fixedIn":null},{"text":"≥ 8.5.0.0, < 8.5.5.18","noFixRecorded":false,"fixedIn":null},{"text":"≥ 9.0.0.0, < 9.0.5.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.0 | 8.0 | 8.5 | 9.0 | ≥ 8.5.0.0, < 8.5.5.18 | ≥ 9.0.0.0, < 9.0.5.4","eol":null,"hubHref":"/vendor/ibm/websphere_application_server"},{"vendor":"ibm","product":"websphere_virtual_enterprise","name":"websphere virtual enterprise","label":"websphere_virtual_enterprise","ecosystem":null,"cpePart":"a","purl":null,"purlType":null,"versions":[{"text":"7.0","noFixRecorded":false,"fixedIn":null},{"text":"8.0","noFixRecorded":false,"fixedIn":null}],"versionsText":"7.0 | 8.0","eol":null,"hubHref":"/vendor/ibm/websphere_virtual_enterprise"}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.ibm.com/support/pages/node/6220336","label":"www.ibm.com/support/pages/node/6220336","hostname":"www.ibm.com","tags":["X Refsource CONFIRM","Patch","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/181228","label":"exchange.xforce.ibmcloud.com/vulnerabilities/181228","hostname":"exchange.xforce.ibmcloud.com","tags":["VDB Entry","X Refsource XF","Vendor Advisory"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-688/","label":"www.zerodayinitiative.com/advisories/ZDI-20-688/","hostname":"www.zerodayinitiative.com","tags":["X Refsource MISC","Third Party Advisory","VDB Entry"]}],"lineage":{"upstream":[],"downstream":[],"duplicates":[],"related":[]},"timeline":[{"kind":"published","date":"2020-06-05T12:55:17.738Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2024-09-16T20:58:31.822Z","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":"2026-10-22T12:29:31.107Z","stale":false,"partial":false}}