{"schema_version":"1.8.0","id":"CVE-2020-12244","published":"2020-05-19T14:15:11.097Z","modified":"2026-08-07T11:31:05.551096124Z","related":["openSUSE-SU-2020:0698-1","openSUSE-SU-2024:11157-1"],"details":"An issue has been found in PowerDNS Recursor 4.1.0 through 4.3.0 where records in the answer section of a NXDOMAIN response lacking an SOA were not properly validated in SyncRes::processAnswer, allowing an attacker to bypass DNSSEC validation.","affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/powerdns/pdns","events":[{"introduced":"80da1b4773cbdad76755b01c70739059d6f607af"},{"last_affected":"f8e019026f5a1eff4b56a90a39c4acac95ae9dc4"}],"database_specific":{"cpe":"cpe:2.3:a:powerdns:recursor:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"4.1.0"},{"last_affected":"4.3.0"}],"source":"CPE_RANGE"}}],"versions":["rec-4.3.0","rec-4.3.0-rc2","rec-4.3.0-rc1","rec-4.3.0-beta2","rec-4.3.0-beta1","auth-4.3.0-alpha1","dnsdist-1.4.0","dnsdist-1.4.0-rc5","rec-4.3.0-alpha3","rec-4.3.0-alpha2","dnsdist-1.4.0-rc4","dnsdist-1.4.0-rc3","rec-4.3.0-alpha1","dnsdist-1.4.0-rc2","dnsdist-1.4.0-rc1","auth-4.2.0-rc2","dnsdist-1.4.0-beta1","rec-4.2.0-rc1","rec-4.2.0-beta1","dnsdist-1.4.0-alpha2","dnsdist-1.4.0-alpha1","auth-4.2.0-rc1","dnsdist-1.3.3","auth-4.2.0-beta1","rec-4.2.0-alpha1","auth-4.2.0-alpha1","dnsdist-1.3.2","dnsdist-1.3.1","dnsdist-1.3.0","rec-4.1.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12244.json"}}],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NMP72NJGKBWR5WEBXAWX5KSLQUDFTG6S/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PS4ZN5XGENYNFKX7QIIOUCQQHXE37GJF/"},{"type":"ADVISORY","url":"http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00052.html"},{"type":"ADVISORY","url":"http://www.openwall.com/lists/oss-security/2020/05/19/3"},{"type":"ADVISORY","url":"https://doc.powerdns.com/recursor/security-advisories/powerdns-advisory-2020-02.html"},{"type":"ADVISORY","url":"https://www.debian.org/security/2020/dsa-4691"}],"database_specific":{"unresolved_ranges":[{"cpes":["cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"10.0"},{"last_affected":"10.0"}],"source":"CPE_STRING","vendor_product":"debian:debian_linux"},{"cpes":["cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*","cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"31"},{"last_affected":"31"},{"introduced":"32"},{"last_affected":"32"}],"source":"CPE_STRING","vendor_product":"fedoraproject:fedora"},{"cpes":["cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.0-sp1"},{"last_affected":"15.0-sp1"}],"source":"CPE_STRING","vendor_product":"opensuse:backports_sle"},{"cpes":["cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"15.1"},{"last_affected":"15.1"}],"source":"CPE_STRING","vendor_product":"opensuse:leap"}]},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"}]}