{"id":"CVE-2021-31649","aliases":["GHSA-h3j8-fr5q-8rfr"],"url":"https://o3.security/vulnerability/CVE-2021-31649","summary":"JFinal Java Deserialization Vulnerability","details":"In applications using jfinal 4.9.08 and below, there is a deserialization vulnerability when using redis,may be vulnerable to remote code execute","published":"2021-06-24T16:15:08.523Z","modified":"2026-07-09T00:14:11.883279Z","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":2,"affectedPackages":[{"ecosystem":"Maven","name":"com.jfinal:jfinal","fixedVersion":null}],"fix":null,"references":[{"type":"EVIDENCE","url":"http://note.youdao.com/noteshare?id=787ccbb8345dbd4a905aebe35f1d8aa8&sub=6C5C072C901949429EFD978405212FA4"},{"type":"EVIDENCE","url":"https://note.youdao.com/ynoteshare1/index.html?id=787ccbb8345dbd4a905aebe35f1d8aa8&type=note"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-07-09T00:14:11.883279Z"}}