{"id":"CVE-2020-13775","details":"ZNC 1.8.0 up to 1.8.1-rc1 allows authenticated users to trigger an application crash (with a NULL pointer dereference) if echo-message is not enabled and there is no network.","modified":"2026-07-08T20:30:24.373771Z","published":"2020-06-02T23:15:10.567Z","database_specific":{"unresolved_ranges":[{"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"}]},"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DNVBE4T2DRJRQHFRMHYBTN4OSOL6DBHR/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/HS3DWGXLVRROQQA57UIPMDM6XMVEMBRA/"},{"type":"FIX","url":"https://github.com/znc/znc/commit/2390ad111bde16a78c98ac44572090b33c3bd2d8"},{"type":"FIX","url":"https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/znc/znc","events":[{"introduced":"492b4ab00792adbf773379e9b0b781ee4d29567d"},{"last_affected":"492b4ab00792adbf773379e9b0b781ee4d29567d"},{"fixed":"2390ad111bde16a78c98ac44572090b33c3bd2d8"},{"fixed":"d229761821da38d984a9e4098ad96842490dc001"}],"database_specific":{"cpe":"cpe:2.3:a:znc:znc:1.8.0:*:*:*:*:*:*:*","extracted_events":[{"introduced":"1.8.0"},{"last_affected":"1.8.0"}],"source":["CPE_STRING","REFERENCES"]}}],"versions":["1.8.0","znc-1.8.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13775.json","vanir_signatures_modified":"2026-07-08T20:30:24Z","vanir_signatures":[{"signature_version":"v1","source":"https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001","target":{"file":"src/Client.cpp","function":"CClient::OnTextMessage"},"deprecated":false,"digest":{"function_hash":"167904269692328655823236297049711722010","length":1048},"id":"CVE-2020-13775-68c39034","signature_type":"Function"},{"deprecated":false,"digest":{"line_hashes":["66497401595510528959044953371277996417","326262900322500493459847737519654946263","3090105072537556030670263174490445171","100969480569315892382633661881648812705"],"threshold":0.9},"id":"CVE-2020-13775-b48ef002","signature_type":"Line","signature_version":"v1","source":"https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001","target":{"file":"src/Client.cpp"}},{"deprecated":false,"digest":{"line_hashes":["282026506429154266749841997301203415096","207338783748791260475251416198922182762","339186054012205851326171200838075521853","164159603877650132016191588735563078924","154310451569641065774775021930081256914","158207147809730001147209574032629522899","207377680942250475708722903493820045482","233062993365664671105950193386685885808"],"threshold":0.9},"id":"CVE-2020-13775-fc722159","signature_type":"Line","signature_version":"v1","source":"https://github.com/znc/znc/commit/d229761821da38d984a9e4098ad96842490dc001","target":{"file":"test/integration/tests/core.cpp"}}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}