CVE-2025-3604CWE-862

Flynax Bridge <= 2.2.0 - Unauthenticated Privilege Escalation via Account Takeover

Critical · published April 24, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
53.4
In the wild
Unconfirmed
What it is

🚨 A simple oversight in the Flynax Bridge plugin allows unauthenticated attackers to change email addresses — think of it as a postman delivering mail to any address on the list without checking who lives there! 🔥 Imagine if a hotel receptionist could change your reservation details just by asking — no ID check, no questions asked. This vulnerability lets attackers pull a similar stunt by hijacking user accounts with ease. An attacker could easily exploit this flaw to reset passwords and walk right into any user account, including those of administrators. The consequences could be absolutely devastating, leading to unauthorized access, data breaches, and a complete compromise of your site’s security.

Put simply

Imagine if a hotel receptionist could change your reservation details just by asking — no ID check, no questions asked. This vulnerability lets attackers pull a similar stunt by hijacking user accounts with ease. The Flynax Bridge plugin fails to properly validate a user's identity before allowing updates to sensitive information like email addresses, enabling account takeover through privilege escalation.

What to do

An attacker could easily exploit this flaw to reset passwords and walk right into any user account, including those of administrators. The consequences could be absolutely devastating, leading to unauthorized access, data breaches, and a complete compromise of your site’s security. Upgrade the Flynax Bridge plugin to version 2.2.1 or later immediately. Additionally, review your user access controls and consider implementing two-factor authentication for an extra layer of security. You got this! By taking these steps, you can protect your site from this vulnerability and keep those pesky attackers at bay! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00722 · 53.4th percentile
Weakness
CWE-862 · Missing Authorization
Published
2025-04-24T08:23Z
EPSS history
Timeline
  • 24 APR 08:23Z
    Flynax Bridge <= 2.2.0 - Unauthenticated Privilege Escalation via Account Takeover
    cvelistv5