CVE-2022-42931

Name: CVE-2022-42931
Creator: NVD / NIST
Published: 2022-12-22T20:15:41.083+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

LOWCVSS 3.3/10EPSS 0.14%

Last modified Jun 17, 2026

CVE-2022-42931 is a low-severity vulnerability rated 3.3/10 on the CVSS scale. 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. EPSS estimates a 0.14% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

3.3/10

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

EPSS Probability

0.14%

3.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Mozilla	Firefox	< 106.0

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1780571Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2022-44/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1780571Issue Tracking
https://www.mozilla.org/security/advisories/mfsa2022-44/Vendor Advisory
https://bugzilla.mozilla.org/show_bug.cgi?id=1780571Issue Tracking

Timeline

Published: Dec 22, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-42931?

How severe is CVE-2022-42931?

CVE-2022-42931 has a CVSS score of 3.3/10 (LOW severity). The EPSS model estimates a 0.14% probability of exploitation in the next 30 days.

How do I fix CVE-2022-42931?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2022-42931?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST