CVE-2023-28163

Mozilla Firefox and 4 others: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

CVE-2023-28163 is fixed in 3 products on 1 platform, first by Mozilla Firefox (en-US) 111.0, released March 16, 2023. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

6.5

No vendor severity

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0080

56th percentile

When downloading files through the Save As dialog on Windows with suggested filenames containing environment variable names, Windows would have resolved those in the context of the current user. <br>*This bug only affects Firefox on Windows. Other versions of Firefox are unaffected.*. This vulnerability affects Firefox < 111, Firefox ESR < 102.9, and Thunderbird < 102.9.

Where it's fixed

Product	Fixed in	Fix	Released
Windows apps
Mozilla Firefox (en-US)	111.0	Mozilla Firefox (en-US) 111.0	Mar 16, 2023
Mozilla Firefox ESR (en-US)	115.4.0	Mozilla Firefox ESR (en-US) 115.4.0	Oct 17, 2023
Mozilla Thunderbird (en-US)	115.8.0	Mozilla Thunderbird (en-US) 115.8.0	Feb 21, 2024

Details

Published
June 2, 2023
Weakness
CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')
Vendor advisory
https://nvd.nist.gov/vuln/detail/CVE-2023-28163

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