CVE-2023-34991 SQL injection in FortiWLM

Critical 9.3 Published 14 Nov 2023 Updated 16 Dec 2025

Attackers can execute unauthorized code via SQL injection in FortiWLM, requiring immediate patching by network administrators.

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-2023-34991?

CVE-2023-34991 is a critical SQL injection vulnerability in Fortinet FortiWLM, published on 14 Nov 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A improper neutralization of special elements used in an sql command ('sql injection') in Fortinet FortiWLM version 8.6.0 through 8.6.5 and 8.5.0 through 8.5.4 and 8.4.0 through 8.4.2 and 8.3.0 through 8.3.2 and 8.2.2 allows attacker to execute unauthorized code or commands via a crafted http request.

Weakness: CWE-89

Which versions are affected by CVE-2023-34991?

It affects 1 product.

Products include Fortinet Fortiwlm.

How do I fix CVE-2023-34991?

No fix has been published for CVE-2023-34991 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2023-34991 being exploited?

There is no known exploitation of CVE-2023-34991 in the wild and no public exploit code.

Sources

Also known as GHSA-hg7c-7628-52r9.