{"id":"CVE-2023-51518","aliases":["GHSA-px7w-c9gw-7gj3"],"url":"https://o3.security/vulnerability/CVE-2023-51518","summary":"Apache James server: Privilege escalation via JMX pre-authentication deserialisation","details":"Apache James prior to version 3.7.5 and 3.8.0 exposes a JMX endpoint on localhost subject to pre-authentication deserialisation of untrusted data.\nGiven a deserialisation gadjet, this could be leveraged as part of an exploit chain that could result in privilege escalation.\nNote that by default JMX endpoint is only bound locally.\n\nWe recommend users to:\n - Upgrade to a non-vulnerable Apache James version\n\n - Run Apache James isolated from other processes (docker - dedicated virtual machine)\n - If possible turn off JMX\n\n","published":"2024-02-27T09:09:31.579Z","modified":"2026-07-15T01:48:56.611023647Z","cvss":{"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"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"org.apache.james:james-server","fixedVersion":"3.7.5"},{"ecosystem":"Maven","name":"org.apache.james:james-server","fixedVersion":"3.8.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/51xxx/CVE-2023-51518.json"},{"type":"ADVISORY","url":"https://lists.apache.org/thread/wbdm61ch6l0kzjn6nnfmyqlng82qz0or"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-51518"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-15T01:48:56.611023647Z"}}