CVE-2022-48021 Code injection in n/a

Critical 9.8 Published 3 Feb 2023 Updated 26 Mar 2025

Attackers can execute arbitrary code or escalate privileges in Zammad by sending a crafted message to the server.

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-2022-48021?

CVE-2022-48021 is a critical code injection vulnerability in Zammad Zammad, published on 3 Feb 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A vulnerability in Zammad v5.3.0 allows attackers to execute arbitrary code or escalate privileges via a crafted message sent to the server.

Which versions are affected by CVE-2022-48021?

It affects 1 product.

Products include Zammad Zammad.

How do I fix CVE-2022-48021?

No fix has been published for CVE-2022-48021 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2022-48021 being exploited?

There is no known exploitation of CVE-2022-48021 in the wild and no public exploit code.

All Zammad Zammad vulnerabilities

Sources

Also known as GHSA-v66q-xfc3-6q83.