CVE-2025-55031 is a critical vulnerability affecting Firefox for iOS and Focus for iOS versions prior to 142. Malicious webpages could exploit this flaw to trigger the hybrid passkey transport via FIDO: links, allowing an attacker within Bluetooth range to trick users into authenticating the attacker's computer to their accounts. With a CVSS score of 9.8, this vulnerability presents a high risk of compromise to confidentiality, integrity, and availability, requiring no user interaction. While no active exploitation, public exploit code, or significant community discussion has been observed, the high FAUCET Risk Score of 87/100 indicates its severe potential impact.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 142.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:iphone_os:*:* | ||
< 142.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox_focus:*:*:*:*:*:iphone_os:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.