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CVE-2025-55031

Passkey phishing within Bluetooth range

Published: Aug 19, 2025Updated: Apr 13, 2026 Sources: CVE List NVD BDUCWE-601
9.8CRITICAL
NVD MITRE
EPSS Score
0.4%
Top 65.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
Not available

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.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-601

Affected Products

Mozilla Corp.
oss-project·USaka Mozilla
Firefox for iOS
Consumer Software
Focus for iOS
Consumer Software
FirefoxOn-premDesktop App
Consumer Software / browser
Focus
Consumer Software
firefox focus
Consumer Software
and 1 more affected products View all →

Exploitability

Official Patch Available
Is your org exposed to CVE-2025-55031?We can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

1 technique
Initial Access
View detailed technique mapping

References

https://bugzilla.mozilla.org/show_bug.cgi?id=1979499
bugzilla.mozilla.org
https://bugzilla.mozilla.org/show_bug.cgi?id=1979804
bugzilla.mozilla.org
https://www.mozilla.org/security/advisories/mfsa2025-68/
mozilla.org
and 2 more references View all →

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