CVE-2020-21238 Auth bypass in n/a

Critical 9.8 Published 27 Dec 2021 Updated 4 Aug 2024

Attackers can hijack user accounts in CSCMS via brute force attacks on the login box due to insufficient authentication controls.

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-2020-21238?

CVE-2020-21238 is a critical authentication bypass vulnerability in n/a, published on 27 Dec 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue in the user login box of CSCMS v4.0 allows attackers to hijack user accounts via brute force attacks.

Weakness: CWE-307

Which versions are affected by CVE-2020-21238?

It affects 1 product.

Products include Chshcms Cscms.

How do I fix CVE-2020-21238?

No fix has been published for CVE-2020-21238 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-2020-21238 being exploited?

There is no known exploitation of CVE-2020-21238 in the wild and no public exploit code.

Sources

Also known as GHSA-7vmc-m88v-6vfg.