CVE-2020-12423
HIGHFirefox < 78.0 - Uncontrolled Search Path Element via webauthn.dll
Title source: llmDescription
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 < 78.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://www.mozilla.org/security/advisories/mfsa2020-24/
Issue Tracking, Vendor Advisory x_refsource_misc
https://bugzilla.mozilla.org/show_bug.cgi?id=1642400
Broken Link vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.html
Broken Link vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.html
Scores
CVSS v3
7.8
EPSS
0.0028
EPSS Percentile
51.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Details
CWE
CWE-427
Status
published
Products (1)
mozilla/firefox
< 78.0
Published
Jul 09, 2020
Tracked Since
Feb 18, 2026