{"id":"CVE-2022-23307","aliases":["GHSA-f7vh-qwp3-x37m"],"url":"https://o3.security/vulnerability/CVE-2022-23307","summary":"A deserialization flaw in the Chainsaw component of Log4j 1 can lead to malicious code execution.","details":"CVE-2020-9493 identified a deserialization issue that was present in Apache Chainsaw. Prior to Chainsaw V2.0 Chainsaw was a component of Apache Log4j 1.2.x where the same issue exists.","published":"2022-01-18T15:25:23Z","modified":"2026-08-12T12:59:55.961406Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Maven","name":"log4j:log4j","fixedVersion":null},{"ecosystem":"Maven","name":"org.zenframework.z8.dependencies.commons:log4j-1.2.17","fixedVersion":null}],"fix":null,"references":[{"type":"WEB","url":"https://lists.apache.org/thread/rg4yyc89vs3dw6kpy3r92xop9loywyhh"},{"type":"WEB","url":"https://logging.apache.org/log4j/1.2/index.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpuapr2022.html"},{"type":"WEB","url":"https://www.oracle.com/security-alerts/cpujul2022.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/23xxx/CVE-2022-23307.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-23307"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T12:59:55.961406Z"}}