{"id":"CVE-2023-23477","aliases":["EUVD-2023-27577","GHSA-34mr-cvr4-m435"],"status":"published","title":"IBM WebSphere Application Server code execution","description":"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:  245513.","severity":{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01949,"percentile":0.8051,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2023-02-03T17:24:13Z","modified":"2026-06-17T05:37:14Z","products":[{"vendor":"ibm","product":"websphere application server"},{"vendor":"ibm","product":"websphere_application_server"}],"references":[{"url":"https://www.ibm.com/support/pages/node/6891111","tags":["vendor-advisory","x_transferred","Vendor Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/245513","tags":["vdb-entry","x_transferred","VDB Entry","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-23477"},{"url":"https://github.com/advisories/GHSA-34mr-cvr4-m435"}],"sources":{"cve":[{"id":"CVE-2023-23477","title":"IBM WebSphere Application Server code execution","description":"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:  245513.","status":"published","published":"2023-02-03T17:24:13.649Z","modified":"2025-03-25T19:46:39.725Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:35:21.232549Z"}],"euvd":[{"id":"EUVD-2023-27577","description":"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:  245513.","status":"published","published":"2023-02-03T17:24:13Z","modified":"2025-03-25T19:46:39Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T20:52:52.192094Z"}],"ghsa":[{"id":"GHSA-34mr-cvr4-m435","title":"IBM WebSphere Application Server 8.5 and 9.0 traditional could allow a remote attacker to execute...","description":"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: 245513.","status":"published","published":"2023-02-03T21:30:29Z","modified":"2023-02-10T06:30:41Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:54:03.896291Z"}],"nvd":[{"id":"CVE-2023-23477","description":"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:  245513.","status":"published","published":"2023-02-03T19:15:13.927Z","modified":"2026-06-17T05:37:14.24Z","cvss":[{"version":"3.1","score":8.1,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:07:46.064662Z"}]}}