Improper access control in Firefox ESR - CVE-2022-26386
Published: March 8, 2022
Vulnerability identifier: #VU61109
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-26386
CWE-ID: CWE-284
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Mozilla
Affected software:
Firefox ESR
Firefox ESR
Detailed vulnerability description
The vulnerability allows a local user to gain access to victim's downloads.
The vulnerability exists due to browser stores files in the /tmp folder, which is accessible by all local users. A local user can read files from this folder and gain access to potentially sensitive information.
Note, the vulnerability affects Firefox ESR on macOS and Linux.
How to mitigate CVE-2022-26386
Install updates from vendor's website.