{"attribution":"This product uses data from the NVD API but is not endorsed or certified by the NVD.","cve":{"id":"CVE-2019-19270","sourceIdentifier":"cve@mitre.org","published":"2019-11-26T04:15:12.950","lastModified":"2026-06-17T02:26:24.293","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"An issue was discovered in tls_verify_crl in ProFTPD through 1.3.6b. Failure to check for the appropriate field of a CRL entry (checking twice for subject, rather than once for subject and once for issuer) prevents some valid CRLs from being taken into account, and can allow clients whose certificates have been revoked to proceed with a connection to the server."},{"lang":"es","value":"Se detectó un problema en la función  tls_verify_crl en ProFTPD versiones hasta 1.3.6b. Un fallo en la comprobación del campo apropiado de una entrada de CRL (verificando dos veces por tema, en lugar de una vez por tema y una vez por emisor), impide tener en cuenta algunas CRL válidas y puede permitir que clientes cuyos certificados han sido revocados continúen con una conexión en el servidor."}],"affected":[{"source":"cve@mitre.org","affectedData":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"NONE"},"exploitabilityScore":3.9,"impactScore":3.6}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:N/I:P/A:N","baseScore":5.0,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":10.0,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-295"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:proftpd:proftpd:*:*:*:*:*:*:*:*","versionEndIncluding":"1.3.5","matchCriteriaId":"C8267809-FDF5-459D-B34D-8CFF65B03A22"},{"vulnerable":true,"criteria":"cpe:2.3:a:proftpd:proftpd:1.3.6:-:*:*:*:*:*:*","matchCriteriaId":"47526BA5-3955-43B3-8EA4-5C29DDA3F9C7"},{"vulnerable":true,"criteria":"cpe:2.3:a:proftpd:proftpd:1.3.6:alpha:*:*:*:*:*:*","matchCriteriaId":"7FC30FC2-1DEB-4CA7-922C-EA94E895E978"},{"vulnerable":true,"criteria":"cpe:2.3:a:proftpd:proftpd:1.3.6:beta:*:*:*:*:*:*","matchCriteriaId":"1F41C633-216D-4A8C-BAA6-940452751735"}]}]},{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*","matchCriteriaId":"97A4B8DF-58DA-4AB6-A1F9-331B36409BA3"},{"vulnerable":true,"criteria":"cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","matchCriteriaId":"80F0FA5D-8D3B-4C0E-81E2-87998286AF33"}]}]}],"references":[{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html","source":"cve@mitre.org"},{"url":"https://github.com/proftpd/proftpd/issues/859","source":"cve@mitre.org","tags":["Patch","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/","source":"cve@mitre.org"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/","source":"cve@mitre.org"},{"url":"http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00009.html","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/proftpd/proftpd/issues/859","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Patch","Third Party Advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OGBBCPLJSDPFG5EI5P5G7P4KEX7YSD5G/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QR65XUHPCRU3NXTSFVF2J4GWRIHC7AHW/","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}