Description
The cache directory on the local file system is set to be world writable. Firefox defaults to extracting libraries from this cache. This allows for the possibility of an installed malicious application or tools with write access to the file system to replace files used by Firefox with their own versions. This vulnerability affects Firefox < 51.0.3.
Scores
CVSS v3
9.8
EPSS
0.0053
EPSS Percentile
67.1%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Details
CWE
CWE-829
Status
published
Products (1)
mozilla/firefox
< 51.0.3
Published
Jun 11, 2018
Tracked Since
Feb 18, 2026