CVE-2024-12839 Changing Information Technology CGFIDO - Authentication Bypass
An attacker can bypass authentication in CGFIDO by capturing a signature from a forged website, allowing unauthorized system access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2024-12839?
CVE-2024-12839 is a high-severity authentication bypass vulnerability in Changing Information Technology CGFIDO, published on 31 Dec 2024. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-294
Which versions are affected by CVE-2024-12839?
How do I fix CVE-2024-12839?
No fix has been published for CVE-2024-12839 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2024-12839 being exploited?
There is no known exploitation of CVE-2024-12839 in the wild and no public exploit code.
Sources
Also known as GHSA-c45v-xc5j-qr2x.