CVE-2024-12838: Changing Information Technology CGFIDO - Authentication Bypass

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-12-31 · updated 2026-06-17
Weakness: CWE-302

Description

The passwordless login mechanism in CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability, allowing remote attackers with regular privileges to send a crafted request to switch to the identity of any user, including administrators.

Affected products

Changing Information Technology CGFIDO: from 0.0.1 before 1.1.0 — fixed in 1.1.0

How to fix

Upgrade to a fixed version: Changing Information Technology CGFIDO 1.1.0. Check the vendor advisory for mitigations.

References

https://www.twcert.org.tw/en/cp-139-8333-32cf8-2.html
https://www.twcert.org.tw/tw/cp-132-8332-2100f-1.html

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