CVE-2023-27999 Command injection in FortiADC

High 7.6 Published 3 May 2023 Updated 23 Oct 2024

An authenticated attacker can execute unauthorized OS commands on FortiADC devices via crafted arguments to existing commands.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Local or same network only
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-27999?

CVE-2023-27999 is a high-severity command injection vulnerability in Fortinet FortiADC, published on 3 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

An improper neutralization of special elements used in an OS command vulnerability [CWE-78] in FortiADC 7.2.0, 7.1.0 through 7.1.1 may allow an authenticated attacker to execute unauthorized commands via specifically crafted arguments to existing commands.

Weakness: CWE-78

Which versions are affected by CVE-2023-27999?

It affects 1 product.

Products include Fortinet Fortiadc.

How do I fix CVE-2023-27999?

No fix has been published for CVE-2023-27999 yet. Limit exposure of the affected software until one is available.

Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.

Is CVE-2023-27999 being exploited?

There is no known exploitation of CVE-2023-27999 in the wild and no public exploit code.

Sources

Also known as GHSA-q3c9-v322-7w9r.