4.7

CVE-2024-8399: mozilla firefox_focus Authentication Bypass by Spoofing

CVSS: 4.7v3.1MediumModified
Published 03-09-2024Last modified 19-03-2025
Open JSON

Vulnerability summary

CVE-2024-8399 is a medium (CVSS 4.7) Authentication Bypass by Spoofing vulnerability in mozilla firefox_focus. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.3% of scored vulnerabilities.

Overall risk
19/100
0100
Low · default modelHow is this calculated?
CVSS score
4.7/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 03-09-2024
    PublishedVulnerability first disclosed.
  2. 19-03-2025
    Last modifiedVulnerability information updated.

Description

Websites could utilize Javascript links to spoof URL addresses in the Focus navigation bar This vulnerability affects Focus for iOS < 130.

CVSS metrics

2 scores · 2 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

18%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.27%

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

Mozilla2 products

1 vendor · 2 products

References

2 links