CVE-2025-10530CWE-290

CVE-2025-10530

Medium · published September 16, 2025

CVSS v3.1
6.5
EPSS
0%
Percentile
20.9
In the wild
Unconfirmed
What it is

Spoofing issue in the WebAuthn component in Firefox for Android. This vulnerability was fixed in Firefox 143 and Thunderbird 143.

The record
Technical detail
CVSS v3.1
6.5 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00294 · 20.9th percentile
Weakness
CWE-290 · Authentication Bypass by Spoofing
Published
2025-09-16T17:15Z
Affected products (2)
ProductVersionsFixed in
mozilla/firefox< 143.0143.0
mozilla/thunderbird< 143.0143.0
References (3)
https://bugzilla.mozilla.org/show_bug.cgi?id=1974025 · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-73/ · [email protected]https://www.mozilla.org/security/advisories/mfsa2025-77/ · [email protected]
EPSS history
Timeline
  • 16 SEP 12:26Z
    Spoofing issue in the WebAuthn component in Firefox for Android
    cvelistv5