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CVE-2025-55031

Published Unknown
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Expert Analysis

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CVSS Score

V3.1
0.0
/10
Not Available
Base Score Metrics
Exploitability: N/A Impact: N/A

Attack Vector Metrics

Attack Vector
Not Available
Attack Complexity
Not Available
Privileges Required
Not Available
User Interaction
Not Available
Scope
Not Available

Impact Metrics

Confidentiality
Not Available
Integrity
Not Available
Availability
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 affects Firefox for iOS < 142 and Focus for iOS < 142.

Available Exploits

No exploits available for this CVE.

Related News

No news articles found for this CVE.

Affected Products

Unknown Vendor

Unknown Product

EU Vulnerability Database

Monitored by ENISA for EU cybersecurity

EU Coordination

Not EU Coordinated

Exploitation Status

No Known Exploitation

EUVD ID

View on ENISA

ENISA Analysis

Malicious code in bioql (PyPI)

Affected Products (ENISA)

mozilla
firefox for ios

ENISA Scoring

EPSS Score

0.060
probability

ENISA References

https://bugzilla.mozilla.org/show_bug.cgi?id=1979499
https://bugzilla.mozilla.org/show_bug.cgi?id=1979804
https://www.mozilla.org/security/advisories/mfsa2025-68/
https://www.mozilla.org/security/advisories/mfsa2025-69/

Data provided by ENISA EU Vulnerability Database. Last updated: October 3, 2025

GitHub Security Advisories

Community-driven vulnerability intelligence from GitHub

⚠ Unreviewed CRITICAL

GHSA-6rx2-wjr5-47v3

Advisory Details

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 affects Firefox for iOS < 142 and Focus for iOS < 142.

CVSS Scoring

CVSS Score

9.0

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

ADVISORY https://nvd.nist.gov/vuln/detail/CVE-2025-55031
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1979499
WEB https://bugzilla.mozilla.org/show_bug.cgi?id=1979804
WEB https://www.mozilla.org/security/advisories/mfsa2025-68
WEB https://www.mozilla.org/security/advisories/mfsa2025-69

Advisory provided by GitHub Security Advisory Database. Published: August 19, 2025, Modified: August 20, 2025

Published: Unknown
Last Modified: Unknown
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