{"affected":[{"affectedData":[{"product":"Apache SpamAssassin","vendor":"Apache Software Foundation","versions":[{"lessThan":"3.4.5","status":"affected","version":"Apache SpamAssassin","versionType":"custom"}]}],"source":"security@apache.org"}],"configurations":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:a:apache:spamassassin:*:*:*:*:*:*:*:*","matchCriteriaId":"6B2EC96E-432A-4D9F-95C7-051CBE121C7D","versionEndExcluding":"3.4.5","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*","matchCriteriaId":"DEECE5FC-CACF-4496-A3E7-164736409252","vulnerable":true},{"criteria":"cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*","matchCriteriaId":"07B237A9-69A3-4A9C-9DA0-4E06BD37AE73","vulnerable":true}],"negate":false,"operator":"OR"}]},{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*","matchCriteriaId":"36D96259-24BD-44E2-96D9-78CE1D41F956","vulnerable":true},{"criteria":"cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*","matchCriteriaId":"E460AA51-FCDA-46B9-AE97-E6676AA5E194","vulnerable":true},{"criteria":"cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*","matchCriteriaId":"A930E247-0B43-43CB-98FF-6CE7B8189835","vulnerable":true}],"negate":false,"operator":"OR"}]}],"cveTags":[],"descriptions":[{"lang":"en","value":"In Apache SpamAssassin before 3.4.5, malicious rule configuration (.cf) files can be configured to run system commands without any output or errors. With this, exploits can be injected in a number of scenarios. In addition to upgrading to SA version 3.4.5, users should only use update channels or 3rd party .cf files from trusted places."},{"lang":"es","value":"En Apache SpamAssassin anterior a versión 3.4.5, los archivos de configuración de reglas maliciosas (.cf) se pueden configurar para ejecutar comandos del sistema sin ningún resultado ni errores. Con esto, las explotaciones se pueden inyectar en varios escenarios. Además de actualizar a la versión 3.4.5 de SA, los usuarios solo deben usar canales de actualización o archivos .cf de terceros desde lugares de confianza"}],"id":"CVE-2020-1946","lastModified":"2026-06-17T03:02:41.867","metrics":{"cvssMetricV2":[{"acInsufInfo":false,"baseSeverity":"HIGH","cvssData":{"accessComplexity":"LOW","accessVector":"NETWORK","authentication":"NONE","availabilityImpact":"COMPLETE","baseScore":10.0,"confidentialityImpact":"COMPLETE","integrityImpact":"COMPLETE","vectorString":"AV:N/AC:L/Au:N/C:C/I:C/A:C","version":"2.0"},"exploitabilityScore":10.0,"impactScore":10.0,"obtainAllPrivilege":false,"obtainOtherPrivilege":false,"obtainUserPrivilege":false,"source":"nvd@nist.gov","type":"Primary","userInteractionRequired":false}],"cvssMetricV31":[{"cvssData":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"exploitabilityScore":3.9,"impactScore":5.9,"source":"nvd@nist.gov","type":"Primary"}]},"published":"2021-03-25T10:15:11.727","references":[{"source":"security@apache.org","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/04/msg00000.html"},{"source":"security@apache.org","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7V2SBVTKVLFFT36ECJQ7TQ7KAQCQZDRZ/"},{"source":"security@apache.org","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFBFRIG5TX23NF4ND6OAKKY7I6TLRCCP/"},{"source":"security@apache.org","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKAXYBKBMQOLIW6UKASJCAZRBOIYS4RL/"},{"source":"security@apache.org","tags":["Mailing List","Vendor Advisory"],"url":"https://s.apache.org/3r1wh"},{"source":"security@apache.org","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202105-26"},{"source":"security@apache.org","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2021/dsa-4879"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Third Party Advisory"],"url":"https://lists.debian.org/debian-lts-announce/2021/04/msg00000.html"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7V2SBVTKVLFFT36ECJQ7TQ7KAQCQZDRZ/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JFBFRIG5TX23NF4ND6OAKKY7I6TLRCCP/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NKAXYBKBMQOLIW6UKASJCAZRBOIYS4RL/"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mailing List","Vendor Advisory"],"url":"https://s.apache.org/3r1wh"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://security.gentoo.org/glsa/202105-26"},{"source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"url":"https://www.debian.org/security/2021/dsa-4879"}],"sourceIdentifier":"security@apache.org","vulnStatus":"Modified","weaknesses":[{"description":[{"lang":"en","value":"CWE-78"}],"source":"security@apache.org","type":"Secondary"},{"description":[{"lang":"en","value":"CWE-78"}],"source":"nvd@nist.gov","type":"Primary"}]}