{"id":"CVE-2020-4450","published":"2020-06-05T12:55:18Z","modified":"2024-09-16T22:30:00Z","title":"IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on…","vendor":"IBM","product":"WebSphere Application Server","tier":"core","eol":null,"affectedVersions":[{"vendor":"IBM","product":"WebSphere Application Server","versions":["8.5","9.0"]}],"description":{"text":"IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute arbitrary code on the system with a specially-crafted sequence of serialized objects. IBM X-Force ID: 181231.","provenance":"source","from":"CVE.org"},"summary":null,"cvss":{"score":9.8,"severity":"CRITICAL","version":"3.0","vector":"CVSS:3.0/UI:N/AV:N/C:H/PR:N/AC:L/I:H/S:U/A:H/RL:O/E:U/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.34733,"percentile":0.9842,"date":"2026-10-29","provenance":"source"},"kev":null,"vulncheckKev":{"dateAdded":"2024-09-18","exploitedFirstSeen":"2024-09-18","ransomware":false,"evidence":[{"url":"https://media.defense.gov/2024/Sep/18/2003547016/-1/-1/0/CSA-PRC-LINKED-ACTORS-BOTNET.PDF","date":"2024-09-18"}],"evidenceTotal":1,"provenance":"source"},"exploited":true,"otx":{"pulseCount":6,"pulses":[{"name":"Update 10: Cybercriminals Leverage 66 Vulnerabilities to Target Global Systems","url":"https://otx.alienvault.com/pulse/68651d685fb2301208e89b10","created":"2025-07-02"},{"name":"NCSC Advisory - 18th Sept 2024 - PRC Botnet","url":"https://otx.alienvault.com/pulse/678638141cbf938dbca1090d","created":"2025-01-14"},{"name":"People's Republic of China-Linked Actors Compromise Routers and IoT Devices for Botnet Operations","url":"https://otx.alienvault.com/pulse/677cd56c6fd3f2632e1b4411","created":"2025-01-07"},{"name":"People's Republic of China-Linked Actors Compromise Routers and IoT Devices for Botnet Operations","url":"https://otx.alienvault.com/pulse/677cd54761ae1299ecfe27aa","created":"2025-01-07"},{"name":"People's Republic of China-Linked Actors Compromise Routers and IoT Devices for Botnet Operations","url":"https://otx.alienvault.com/pulse/66fd391fe0318d98f8af0eb4","created":"2024-10-02"},{"name":"CSA-PRC-LINKED-ACTORS-BOTNET","url":"https://otx.alienvault.com/pulse/66ebe08841abbc50444fbcae","created":"2024-09-19"}],"provenance":"machine"},"cwes":[],"references":[{"url":"https://www.ibm.com/support/pages/node/6220294","tags":["x_refsource_CONFIRM"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/181231","tags":["vdb-entry","x_refsource_XF"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-689/","tags":["x_refsource_MISC"]}],"techniques":[],"reports":[],"affected":[],"advisories":[],"euvd":{"id":"EUVD-2020-25697","url":"https://euvd.enisa.europa.eu/vulnerability/EUVD-2020-25697","exploited":false,"exploitedSince":null,"provenance":"source"},"exploits":[],"exploitSources":null,"exploitRefs":[],"flow":[],"timeline":[{"date":"2020-06-05","kind":"published","label":"Published (CVE.org)","url":"https://www.cve.org/CVERecord?id=CVE-2020-4450","provenance":"source"},{"date":"2024-09-18","kind":"exploited-reported","label":"Exploitation first reported (VulnCheck KEV evidence)","url":"https://media.defense.gov/2024/Sep/18/2003547016/-1/-1/0/CSA-PRC-LINKED-ACTORS-BOTNET.PDF","provenance":"source"}],"speed":{"daysToPublicExploit":null,"firstExploitFrom":null,"daysToKev":null},"priority":{"score":63.5,"factors":[{"name":"In a KEV catalog","points":35.0,"detail":"listed in VulnCheck KEV"},{"name":"Recent KEV listing","points":0.0,"detail":"added 771 days ago"},{"name":"Known ransomware use","points":0.0,"detail":"not known"},{"name":"EPSS percentile","points":19.68,"detail":"percentile 0.9842"},{"name":"Named in threat reports","points":0.0,"detail":"0 reports"},{"name":"Public exploit code","points":0.0,"detail":"none found"},{"name":"Mentioned in OTX pulses","points":1.92,"detail":"6 pulses"},{"name":"CVSS severity","points":6.86,"detail":"base score 9.8"},{"name":"End-of-life product","points":0.0,"detail":"supported or unknown"}]}}