{"id":"CVE-2023-51079","aliases":["EUVD-2023-3218","GHSA-h63j-xqx6-w58r"],"status":"disputed","title":"mvel2 TimeOut error exists in the ParseTools.subCompileExpression method","description":"A long execution time can occur in the ParseTools.subCompileExpression method in MVEL 2.5.0.Final because of many Java class lookups. NOTE: the vendor disputes this because \"the only thing that you could expect is that the parser will take a crazy amount of time to complete its task.\"","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00737,"percentile":0.54956,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2023-12-27T00:00:00Z","modified":"2026-06-17T06:40:30Z","affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.mvel:mvel2","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.5.0.Final"},{"last_affected":"2.5.0.Final"}]}],"versions":["2.5.0.Final"]},{"source":"osv","ecosystem":"Maven","package":"org.mvel:mvel2","versions":["2.5.0.Final"]}],"products":[{"vendor":"mvel","product":"mvel"}],"references":[{"url":"https://github.com/mvel/mvel/issues/348","tags":["x_transferred","Exploit","Issue Tracking","Third Party Advisory","web"]},{"url":"https://github.com/mvel/mvel/issues/348#issuecomment-1874047271","tags":["x_transferred","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-51079","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-h63j-xqx6-w58r"},{"url":"https://github.com/mvel/mvel","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2023-51079","description":"A long execution time can occur in the ParseTools.subCompileExpression method in MVEL 2.5.0.Final because of many Java class lookups. NOTE: the vendor disputes this because \"the only thing that you could expect is that the parser will take a crazy amount of time to complete its task.\"","status":"disputed","published":"2023-12-27T00:00:00Z","modified":"2024-08-02T22:32:09.101Z","updated_at":"2026-11-02T14:35:17.48054Z"}],"euvd":[{"id":"EUVD-2023-3218","description":"A long execution time can occur in the ParseTools.subCompileExpression method in MVEL 2.5.0.Final because of many Java class lookups. NOTE: the vendor disputes this because \"the only thing that you could expect is that the parser will take a crazy amount of time to complete its task.\"","status":"published","published":"2023-12-27T00:00:00Z","modified":"2024-08-02T22:32:09Z","updated_at":"2026-11-03T03:26:07.661682Z"}],"ghsa":[{"id":"GHSA-h63j-xqx6-w58r","title":"mvel2 TimeOut error exists in the ParseTools.subCompileExpression method","description":"A TimeOut error exists in the ParseTools.subCompileExpression method in mvel2 v2.5.0 Final.","status":"published","published":"2023-12-27T21:31:01Z","modified":"2024-01-11T15:06:32Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T14:37:30.812736Z"}],"nvd":[{"id":"CVE-2023-51079","description":"A long execution time can occur in the ParseTools.subCompileExpression method in MVEL 2.5.0.Final because of many Java class lookups. NOTE: the vendor disputes this because \"the only thing that you could expect is that the parser will take a crazy amount of time to complete its task.\"","status":"disputed","published":"2023-12-27T21:15:08.35Z","modified":"2026-06-17T06:40:30.777Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:08:57.117371Z"}],"osv":[{"id":"GHSA-h63j-xqx6-w58r","title":"mvel2 TimeOut error exists in the ParseTools.subCompileExpression method","description":"A TimeOut error exists in the ParseTools.subCompileExpression method in mvel2 v2.5.0 Final.","status":"published","published":"2023-12-27T21:31:01Z","modified":"2024-01-08T15:54:10Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L","level":"medium"}],"updated_at":"2026-11-02T15:46:48.546324Z"}]}}