CVE-2022-42931

low-risk

Published 2022-12-22

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.

Do I need to act?

0.03% chance of exploitation

EPSS score — low exploit probability

Not on CISA KEV list

No confirmed active exploitation reported to CISA

Patch status unknown

Check vendor advisories for fix availability and mitigation guidance

CVSS 3.3/10 Low

LOCAL / LOW complexity

Affected Products (1)

Firefox

Affected Vendors

Mozilla

References (5)

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

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

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

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

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

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low-risk

Severity 13/34 · Low

Exploitability 0/34 · Minimal

Exposure 5/34 · Minimal