CVE-2023-39001 Command injection in n/a

Critical 9.8 Published 9 Aug 2023 Updated 10 Oct 2024

Attackers can execute arbitrary commands on OPNsense firewalls by uploading a crafted backup configuration file.

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-2023-39001?

CVE-2023-39001 is a critical command injection vulnerability in n/a, published on 9 Aug 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A command injection vulnerability in the component diag_backup.php of OPNsense Community Edition before 23.7 and Business Edition before 23.4.2 allows attackers to execute arbitrary commands via a crafted backup configuration file.

Weakness: CWE-77

Which versions are affected by CVE-2023-39001?

It affects 1 product.

Products include Opnsense Opnsense.

How do I fix CVE-2023-39001?

No fix has been published for CVE-2023-39001 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-2023-39001 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39001 exists.

Sources

Also known as GHSA-j25w-8295-hc8c.