{"affected":[{"affectedData":[{"product":"WebSphere Application Server","vendor":"IBM","versions":[{"status":"affected","version":"7.0"},{"status":"affected","version":"8.0"},{"status":"affected","version":"8.5"},{"status":"affected","version":"9.0"}]}],"source":"psirt@us.ibm.com"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*","matchCriteriaId":"9FBC4C46-A044-4A5C-80EF-2BCBF9351CEB","versionEndIncluding":"7.0.0.45","versionStartIncluding":"7.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*","matchCriteriaId":"E596AE8A-34AD-43F3-A97E-DC79CE517C8B","versionEndIncluding":"8.0.0.15","versionStartIncluding":"8.0.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*","matchCriteriaId":"79830E9D-2412-44C5-B6BA-2C0DE3EA871B","versionEndIncluding":"8.5.5.17","versionStartIncluding":"8.5.0.0","vulnerable":true},{"criteria":"cpe:2.3:a:ibm:websphere_application_server:*:*:*:*:*:*:*:*","matchCriteriaId":"7C239448-BA03-48B4-A860-C9C8A36B26EF","versionEndIncluding":"9.0.5.4","versionStartIncluding":"9.0.0.0","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"IBM WebSphere Application Server 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: 184585."},{"lang":"es","value":"IBM WebSphere Application Server versiones 7.0, 8.0, 8.5 y 9.0, podría permitir a un atacante remoto ejecutar código arbitrario en el sistema con una secuencia especialmente diseñada de objetos serializados de fuentes no confiables."}],"id":"CVE-2020-4589","lastModified":"2026-06-17T03:20:12.290","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":10.0,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":10.0,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV30":[{"cvssData":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.0"},"exploitabilityScore":2.2,"impactScore":5.9,"source":"psirt@us.ibm.com","type":"Secondary"}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2020-08-13T12:15:25.167","references":[{"source":"psirt@us.ibm.com","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184585"},{"source":"psirt@us.ibm.com","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/6258333"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["VDB Entry","Vendor Advisory"],"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/184585"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Vendor Advisory"],"url":"https://www.ibm.com/support/pages/node/6258333"}],"sourceIdentifier":"psirt@us.ibm.com","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-502"}],"source":"nvd@nist.gov","type":"Primary"}]}