{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2026-42167","sourceIdentifier":"cve@mitre.org","published":"2026-04-28T23:16:20.610","lastModified":"2026-07-24T21:10:00.143","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"mod_sql in ProFTPD before 1.3.9a allows remote attackers to execute arbitrary code via a username, in scenarios where there is logging of USER requests with an expansion such as %U, and the SQL backend allows commands (e.g., COPY TO PROGRAM)."},{"lang":"es","value":"mod_sql en ProFTPD anterior a 1.3.10rc1 permite a atacantes remotos ejecutar código arbitrario mediante un nombre de usuario, en escenarios donde se registran las solicitudes USER con una expansión como %U, y el backend SQL permite comandos (por ejemplo, COPY TO PROGRAM)."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"ProFTPD","product":"ProFTPD","defaultStatus":"unaffected","versions":[{"version":"1.3.7b","lessThan":"1.3.9a","versionType":"custom","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"cve@mitre.org","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","baseScore":8.1,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.2,"impactScore":5.9}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-04-29T12:51:40.626237Z","id":"CVE-2026-42167","options":[{"exploitation":"poc"},{"automatable":"no"},{"technicalImpact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"weaknesses":[{"source":"cve@mitre.org","type":"Secondary","description":[{"lang":"en","value":"CWE-89"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*","versionEndIncluding":"1.3.9b","matchCriteriaId":"AB7EA00C-FD1D-4028-8DFF-4287D5CA721F"}]}]}],"references":[{"url":"http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1","source":"cve@mitre.org","tags":["Release Notes"]},{"url":"https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc","source":"cve@mitre.org","tags":["Exploit","Third Party Advisory"]},{"url":"https://github.com/proftpd/proftpd/issues/2052","source":"cve@mitre.org","tags":["Exploit","Issue Tracking","Patch"]},{"url":"https://www.openwall.com/lists/oss-security/2026/05/01/4","source":"cve@mitre.org","tags":["Mailing List"]},{"url":"https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce","source":"cve@mitre.org","tags":["Exploit","Press/Media Coverage","Third Party Advisory"]},{"url":"http://www.openwall.com/lists/oss-security/2026/05/01/13","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"]},{"url":"http://www.openwall.com/lists/oss-security/2026/05/01/4","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List"]},{"url":"https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc","source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","tags":["Exploit","Third Party Advisory"]}]}}