{"id":"CVE-2021-41862","aliases":["EUVD-2021-2273","GHSA-xpv2-8ppj-79hh"],"status":"published","title":"Expression injection in AviatorScript","description":"AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01935,"percentile":0.80333,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-74"],"published":"2021-10-01T23:21:13Z","modified":"2026-10-20T10:55:00Z","affected":[{"source":"ghsa","ecosystem":"Maven","package":"com.googlecode.aviator:aviator","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.1"},{"last_affected":"5.2.7"}]}]},{"source":"osv","ecosystem":"Maven","package":"com.googlecode.aviator:aviator","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"5.2.1"},{"last_affected":"5.2.7"}]}],"versions":["5.2.1","5.2.2","5.2.3","5.2.4","5.2.5","5.2.6","5.2.7"]}],"products":[{"vendor":"aviatorscript_project","product":"aviatorscript"}],"references":[{"url":"https://github.com/killme2008/aviatorscript/issues/421","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41862","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-xpv2-8ppj-79hh"},{"url":"https://github.com/killme2008/aviatorscript","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2021-41862","description":"AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).","status":"published","published":"2021-10-01T23:21:13Z","modified":"2024-08-04T03:22:24.898Z","updated_at":"2026-11-02T14:32:59.430294Z"}],"euvd":[{"id":"EUVD-2021-2273","description":"AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).","status":"published","published":"2021-10-01T23:21:13Z","modified":"2024-08-04T03:22:24Z","updated_at":"2026-11-03T03:24:17.230256Z"}],"ghsa":[{"id":"GHSA-xpv2-8ppj-79hh","title":"Expression injection in AviatorScript","description":"AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).","status":"published","published":"2021-10-04T20:14:31Z","modified":"2024-02-20T20:07:35Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:37:38.20753Z"}],"nvd":[{"id":"CVE-2021-41862","description":"AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).","status":"published","published":"2021-10-02T00:15:07.453Z","modified":"2026-06-17T04:09:01.6Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T14:06:59.314106Z"}],"osv":[{"id":"CVE-2021-41862","description":"AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).","status":"published","published":"2021-10-02T00:15:07.453Z","modified":"2026-10-20T10:55:00.300501424Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:21.557945Z"},{"id":"GHSA-xpv2-8ppj-79hh","title":"Expression injection in AviatorScript","description":"AviatorScript through 5.2.7 allows code execution via an expression that is encoded with Byte Code Engineering Library (BCEL).","status":"published","published":"2021-10-04T20:14:31Z","modified":"2024-02-20T20:15:59.822052Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-74"],"updated_at":"2026-11-02T15:47:00.198893Z"}]}}