3.3

CVE-2022-42931: mozilla firefox

CVSS: 3.3v3.1LowModified
AliasesUBUNTU-CVE-2022-42931
Published 22-12-2022Last modified 15-04-2025

Vulnerability summary

CVE-2022-42931 is a low (CVSS 3.3) vulnerability in mozilla firefox. EPSS estimates a 0.14% chance of exploitation in the next 30 days, higher than 3% of scored vulnerabilities.

Overall risk
13/100
0100
Low · default modelHow is this calculated?
CVSS score
3.3/10
010
Low · v3.1 (CVE.org)
EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 3 · Related 3

Timeline

  1. 22-12-2022
    PublishedVulnerability first disclosed.
  2. 15-04-2025
    Last modifiedVulnerability information updated.

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.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.14%

Chance of exploitation in the next 30 days

Percentile

3%

Versus all other CVEs

30-day change

0.00 pp

From 0.14% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.14%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu2 products
  • firefox< 106.0.2+build1-0ubuntu0.18.04.1 | < 106.0.2+build1-0ubuntu0.20.04.1
  • thunderbird< 1:102.4.2+build2-0ubuntu0.18.04.1 | < 1:102.4.2+build2-0ubuntu0.20.04.1 | < 1:102.4.2+build2-0ubuntu0.22.04.1
Mozilla1 product
  • firefox≥ unspecified, < 106 | < 106.0

2 vendors · 3 products

References

6 links