CVE-2023-4612 MFA bypass in Apereo CAS
Attackers can bypass Multi-Factor Authentication in Apereo CAS due to improper handling of remote address information.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4612?
CVE-2023-4612 is a critical authentication bypass vulnerability in Apereo Foundation CAS, published on 9 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Improper Authentication vulnerability in Apereo CAS in jakarta.servlet.http.HttpServletRequest.getRemoteAddr method allows Multi-Factor Authentication bypass.This issue affects CAS: through 7.0.0-RC7. It is unknown whether in new versions the issue will be fixed. For the date of publication there is no patch, and the vendor does not treat it as a vulnerability.
Which versions are affected by CVE-2023-4612?
It affects 1 product.
Products include Apereo Central Authentication Service.
How do I fix CVE-2023-4612?
No fix has been published for CVE-2023-4612 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-2023-4612 being exploited?
There is no known exploitation of CVE-2023-4612 in the wild and no public exploit code.
Other vulnerabilities in Apereo Foundation CAS
Sources
Also known as GHSA-fxgj-cfm7-w8hw.