CVEvulnerability
CVE-2025-55031
9.8 CRITICAL
Official page ↗
- Status
- Modified
- Published
- 2025-08-19
- Last modified
- 2026-09-30
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- Weaknesses
- CWE-601
Description
Malicious pages could use Firefox for iOS to pass FIDO: links to the OS and trigger the hybrid passkey transport. An attacker within Bluetooth range could have used this to trick the user into using their passkey to log the attacker's computer into the target account. This vulnerability was fixed in Firefox for iOS 142 and Focus for iOS 142.
Affected configurations
• mozilla firefox (< 142.0)
• mozilla firefox focus (< 142.0)
Related
Weakness · CWE (1)
- CWE-601 URL Redirection to Untrusted Site weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=1979499 Issue Tracking, Permissions Required
- https://bugzilla.mozilla.org/show_bug.cgi?id=1979804 Issue Tracking, Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2025-68/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2025-69/ Vendor Advisory