{"cve":"CVE-2023-51518","nvd":{"published":"2024-02-27T09:15:36.983","modified":"2026-06-17T06:41:07.313","status":"Analyzed","description":"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","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-502"],"references":["https://lists.apache.org/thread/wbdm61ch6l0kzjn6nnfmyqlng82qz0or","https://lists.apache.org/thread/wbdm61ch6l0kzjn6nnfmyqlng82qz0or"],"products":["apache:james"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2023-51518","score":0.01189,"percentile":0.67943,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-px7w-c9gw-7gj3","url":"https://osv.dev/vulnerability/GHSA-px7w-c9gw-7gj3","summary":"Apache James server: Privilege escalation via JMX pre-authentication deserialization","modified":"2024-08-23T14:07:01.445353Z","packages":[{"ecosystem":"Maven","name":"org.apache.james:james-server","purl":"pkg:maven/org.apache.james/james-server","ranges":["<3.7.5"],"fixed":["3.7.5"]},{"ecosystem":"Maven","name":"org.apache.james:james-server","purl":"pkg:maven/org.apache.james/james-server","ranges":[">=3.8.0 <3.8.1"],"fixed":["3.8.1"]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}