{"id":"CVE-2020-12423","details":"When the Windows DLL \"webauthn.dll\" was missing from the Operating System, and a malicious one was placed in a folder in the user's %PATH%, Firefox may have loaded the DLL, leading to arbitrary code execution. *Note: This issue only affects the Windows operating system; other operating systems are unaffected.* This vulnerability affects Firefox \u003c 78.","modified":"2026-03-15T22:33:06.863600Z","published":"2020-07-09T15:15:12.193Z","related":["SUSE-SU-2020:14421-1","SUSE-SU-2020:1898-1","SUSE-SU-2020:1899-1","openSUSE-SU-2020:0983-1","openSUSE-SU-2020:1017-1","openSUSE-SU-2024:10600-1","openSUSE-SU-2024:14572-1"],"references":[{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html"},{"type":"WEB","url":"http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html"},{"type":"ADVISORY","url":"https://www.mozilla.org/security/advisories/mfsa2020-24/"},{"type":"REPORT","url":"https://bugzilla.mozilla.org/show_bug.cgi?id=1642400"}],"affected":[{"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-12423.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"fixed":"78.0"}]}]}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}