CVE-2020-21649 Server-side request forgery in n/a

High 8.1 Published 6 Oct 2021 Updated 4 Aug 2024

An attacker can exploit a Server-Side Request Forgery vulnerability in Myucms to interact with internal systems or bypass security controls.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-21649?

CVE-2020-21649 is a high-severity server-side request forgery vulnerability in n/a, published on 6 Oct 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Myucms v2.2.1 contains a server-side request forgery (SSRF) in the component \controller\index.php, which can be exploited via the sql() method.

Weakness: CWE-918

Which versions are affected by CVE-2020-21649?

It affects 1 product.

Products include Myucms Project Myucms.

How do I fix CVE-2020-21649?

No fix has been published for CVE-2020-21649 yet. Limit exposure of the affected software until one is available.

Upgrade, and send outbound requests through an allow-list that blocks internal addresses. More about Server-side request forgery.

Is CVE-2020-21649 being exploited?

There is no known exploitation of CVE-2020-21649 in the wild and no public exploit code.

Sources

Also known as GHSA-rg78-gcxq-8369.