CVE-2022-42931

LOW

Firefox < 106.0 - Cleartext Storage of Sensitive Information via Form Manager

Title source: llm

Description

Logins saved by Firefox should be managed by the Password Manager component which uses encryption to save files on-disk. Instead, the username (not password) was saved by the Form Manager to an unencrypted file on disk. This vulnerability affects Firefox < 106.

References (2)

Core 2

Core References

Issue Tracking

https://bugzilla.mozilla.org/show_bug.cgi?id=1780571

Vendor Advisory

https://www.mozilla.org/security/advisories/mfsa2022-44/

Scores

CVSS v3 3.3

EPSS 0.0003

EPSS Percentile 10.6%

Attack Vector LOCAL

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-312

Status published

Products (1)

mozilla/firefox < 106.0

Published Dec 22, 2022

Tracked Since Feb 18, 2026