CVE-2023-53948 Lilac-Reloaded for Nagios 2.0.8 Remote Code Execution via Autodiscovery

Critical 9.3 Published Updated

Attackers can execute arbitrary commands via the nmap_binary parameter in the autodiscovery feature of Lilac-Reloaded for Nagios.

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-2023-53948?

CVE-2023-53948 is a critical command injection vulnerability in cat03 Lilac-Reloaded, published on 19 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Lilac-Reloaded for Nagios 2.0.8 contains a remote code execution vulnerability in the autodiscovery feature that allows attackers to inject arbitrary commands. Attackers can exploit the lack of input filtering in the nmap_binary parameter to execute a reverse shell by sending a crafted POST request to the autodiscovery endpoint.

Weakness: CWE-78

Which versions are affected by CVE-2023-53948?

How do I fix CVE-2023-53948?

No fix has been published for CVE-2023-53948 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-2023-53948 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53948 exists.

Sources

Also known as GHSA-rjr9-j2mx-g65q.

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