CVE-2024-53975: mozilla firefox
CVSS: 5.4v3.1MediumModified
AliasesCGA-m556-hrhh-7x2vCGA-xvw2-2h4g-v6cmCGA-rfj8-8hm9-qpphCGA-xp8c-w855-x5j3
Published 26-11-2024Last modified 28-10-2025
Vulnerability summary
CVE-2024-53975 is a medium (CVSS 5.4) vulnerability in mozilla firefox. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 19.7% of scored vulnerabilities.
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)EPSS score
0.29%
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 0 · Related 1Timeline
- 26-11-2024PublishedVulnerability first disclosed.
- 28-10-2025Last modifiedVulnerability information updated.
Description
Accessing a non-secure HTTP site that uses a non-existent port may cause the SSL padlock icon in the location URL bar to, misleadingly, appear secure. This vulnerability affects Firefox for iOS < 133.
CVSS metrics
4 scores · 4 sources · 1 versionMedium 5.4Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:LSourcesAll 4 agree
- OSV · WolfiEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
- OSV · ChainguardEcosystem advisory · calculated5.4MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
- NVDNIST5.4MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L
EPSS trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
0.00 pp
From 0.29% on 19-09-2026
19-09-202619-10-2026
EPSS score0.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeNo weakness data has been published for this record.
Affected systems
Chainguard2 products
- firefox< 133.0-r0
- firefox-esr< 133-r0
Mozilla2 products
- firefox< 133.0
- firefox for ios≥ unspecified, < 133
Wolfi1 product
- firefox< 133.0-r0
3 vendors · 5 products