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.
CVSS score
3.3/10
010
Low · v3.1 (CVE.org)EPSS score
0.14%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 22-12-2022PublishedVulnerability first disclosed.
- 15-04-2025Last 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 versionLow 3.3Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- NVDNIST3.3LowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
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 score0.14%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected 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- bugzilla.mozilla.org/show_bug.cgi?id=1780571Issue Tracking
- www.mozilla.org/security/advisories/mfsa2022-44/Vendor Advisory