5.4

CVE-2024-53975: mozilla firefox

CVSS: 5.4v3.1MediumModified
AliasesCGA-m556-hrhh-7x2vCGA-xvw2-2h4g-v6cmCGA-rfj8-8hm9-qpph
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.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.29%
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 0 · Related 1

Timeline

  1. 26-11-2024
    PublishedVulnerability first disclosed.
  2. 28-10-2025
    Last 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 version

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 score
0.29%

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

No weakness data has been published for this record.

Affected systems

Chainguard2 products
  • firefox< 133.0-r0
  • firefox-esr< 133-r0
Mozilla2 products
Wolfi1 product
  • firefox< 133.0-r0

3 vendors · 5 products

References

2 links