What is CVE-2022-42931?

CVE-2022-42931 is a low-severity vulnerability in Mozilla Firefox, classified under Cleartext Storage of Sensitive Information. CVSS score: 3.3/10. Published 2022-12-22.

How severe is CVE-2022-42931?

Low severity. CVSS v3 base score is 3.3 out of 10.

Vulnerability in Mozilla Firefox

CVE-2022-42931

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.

EPSS: 0.001 (3.5th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Mozilla Firefox — versions unspecified

Weakness classification (CWE)

CWE-312 — Cleartext Storage of Sensitive Information

References

security@mozilla.org (Issue Tracking)
security@mozilla.org (Vendor Advisory)

Frequently asked questions

What is CVE-2022-42931?: CVE-2022-42931 is a low-severity vulnerability in Mozilla Firefox, classified under Cleartext Storage of Sensitive Information. CVSS score: 3.3/10. Published 2022-12-22.
How severe is CVE-2022-42931?: Low severity. CVSS v3 base score is 3.3 out of 10.