CVE-2024-12839

Changing Information Technology CGFIDO - Authentication Bypass

Published Dec 31, 2024 CVSS 3.1 · 8.8 High EPSS < 1% KEV · Not listed
Description
The login mechanism via device authentication of CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability. If a user visits a forged website, the agent program deployed on their device will send an authentication signature to the website. An unauthenticated remote attacker who obtains this signature can use it to log into the system with any device.

Remediation

Vendor Solution

Update to version 1.2.2 or later

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-51140 The login mechanism via device authentication of CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability. If a user visits a forged website, the agent program deployed on their device will send an authentication signature to the website. An unauthenticated remote attacker who obtains this signature can use it to log into the system with any device.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The login mechanism via device authentication of CGFIDO from Changing Information Technology has an Authentication Bypass vulnerability. If a user visits a forged website, the agent program deployed on their device will send an authentication signature to the website. An unauthenticated remote attacker who obtains this signature can use it to log into the system with any device.
Title Changing Information Technology CGFIDO - Authentication Bypass
Weaknesses CWE-294
References
Metrics cvssV3_1

{'score': 8.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
twcert
Published
Updated
Dec 31, 2024, 3:56 PM
Reserved
Dec 20, 2024, 3:29 AM
Status
Deferred
Published
Dec 31, 2024, 2:15 AM
Modified
Jun 17, 2026, 7:00 AM