CVE-2021-35391 Server-side request forgery in n/a

High 7.2 Published 21 Jul 2023 Updated 9 Jul 2026

Attackers can execute arbitrary code via a crafted URL due to a Server Side Request Forgery vulnerability in Deskpro Support Desk.

Exploited in the wild: Not known
Login needed: An administrator
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-35391?

CVE-2021-35391 is a high-severity server-side request forgery vulnerability in n/a, published on 21 Jul 2023. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Server Side Request Forgery vulnerability found in Deskpro Support Desk v2021.21.6 allows attackers to execute arbitrary code via a crafted URL.

Weakness: CWE-918

Which versions are affected by CVE-2021-35391?

It affects 1 product.

Products include Deskpro Deskpro.

How do I fix CVE-2021-35391?

No fix has been published for CVE-2021-35391 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-2021-35391 being exploited?

There is no known exploitation of CVE-2021-35391 in the wild and no public exploit code.

Sources

Also known as GHSA-3r49-gcgv-9gw5.