CVE Tools
Sign in

CVE-2025-55031

Passkey phishing within Bluetooth range

Published: Aug 19, 2025Updated: Apr 13, 2026 Sources: CVE List NVD BDUCWE-601
NVD MITRE
9.8CVSSCRITICAL
EPSS Score
0.4%
Top 69.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch 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.

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

firefoxmozilla
On-premDesktop App
Consumer Software / browser
firefox focusmozilla
On-premMobile App
Consumer Software / browser
Firefox for iOSMozilla
On-premDesktop App
Consumer Software / browser
Focus for iOSMozilla
On-prem
Consumer Software / browser
FirefoxMozilla Corp.
On-premDesktop App
Consumer Software / browser
mozillaoss-projectUSConsumer Softwareaka mozilla corp.
mozilla corp.oss-projectUSConsumer Software
and 1 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

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 →

Timeline

Published
Aug 19, 2025
Last Updated
Apr 13, 2026

Unlock Complete Vulnerability Intelligence

Get the full picture for CVE-2025-55031 and every CVE in our database. Create a free account — no credit card required.

Create Free Account
Plain-language analysis
Impact assessment and exploitation scenario in plain English
Attack graph visualization
Interactive attack path and kill chain mapping
Exploit details & PoC links
ExploitDB, Metasploit, GitHub PoCs with direct links
Nuclei scanner templates
Ready-to-use vulnerability scanner templates
Full remediation guide
Patch instructions, workarounds, and compliance impact
Interactive AI chat
Ask questions about this vulnerability in natural language
Related vulnerabilities
Semantically similar CVEs and attack patterns
REST API & MCP access
Integrate vulnerability data into your workflows