{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "ProFTPD", "vendor": "ProFTPD", "versions": [{"lessThan": "1.3.9a", "status": "affected", "version": "1.3.7b", "versionType": "custom"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*", "matchCriteriaId": "AB7EA00C-FD1D-4028-8DFF-4287D5CA721F", "versionEndIncluding": "1.3.9b", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "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 c\u00f3digo arbitrario mediante un nombre de usuario, en escenarios donde se registran las solicitudes USER con una expansi\u00f3n como %U, y el backend SQL permite comandos (por ejemplo, COPY TO PROGRAM)."}], "id": "CVE-2026-42167", "lastModified": "2026-07-24T21:10:00.143", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.1, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 5.9, "source": "cve@mitre.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-42167", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-04-29T12:51:40.626237Z", "version": "2.0.3"}}]}, "published": "2026-04-28T23:16:20.610", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "http://www.proftpd.org/docs/RELEASE_NOTES-1.3.10rc1"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Issue Tracking", "Patch"], "url": "https://github.com/proftpd/proftpd/issues/2052"}, {"source": "cve@mitre.org", "tags": ["Mailing List"], "url": "https://www.openwall.com/lists/oss-security/2026/05/01/4"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Press/Media Coverage", "Third Party Advisory"], "url": "https://zeropath.com/blog/proftpd-cve-2026-42167-auth-bypass-privesc-rce"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List"], "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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/ZeroPathAI/proftpd-CVE-2026-42167-poc"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-89"}], "source": "cve@mitre.org", "type": "Secondary"}]}