CVE-2023-27152 Auth bypass in n/a

Critical 9.8 Published 23 Oct 2023 Updated 11 Sep 2024

Attackers can brute-force authentication due to missing rate limits, potentially gaining unauthorized access to the OPNsense firewall.

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-2023-27152?

CVE-2023-27152 is a critical authentication bypass vulnerability in n/a, published on 23 Oct 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

DECISO OPNsense 23.1 does not impose rate limits for authentication, allowing attackers to perform a brute-force attack to bypass authentication.

Weakness: CWE-307

Which versions are affected by CVE-2023-27152?

It affects 1 product.

Products include Opnsense Opnsense.

How do I fix CVE-2023-27152?

No fix has been published for CVE-2023-27152 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-2023-27152 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-27152 exists.

Sources

Also known as GHSA-c359-g3mh-v8vw.