CVE-2024-23749 Command injection in n/a

High 7.8 Published 9 Feb 2024 Updated 15 May 2025

Attackers can execute arbitrary code via command injection in KiTTY SSH client due to insufficient input sanitization in filename handling.

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-2024-23749?

CVE-2024-23749 is a high-severity command injection vulnerability in n/a, published on 9 Feb 2024. It can only be exploited from the same machine or local network, with no action from the victim.

Official description

KiTTY versions 0.76.1.13 and before is vulnerable to command injection via the filename variable, occurs due to insufficient input sanitization and validation, failure to escape special characters, and insecure system calls (at lines 2369-2390). This allows an attacker to add inputs inside the filename variable, leading to arbitrary code execution.

Weakness: CWE-77

Which versions are affected by CVE-2024-23749?

It affects 1 product.

Products include 9bis Kitty.

How do I fix CVE-2024-23749?

No fix has been published for CVE-2024-23749 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-2024-23749 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2024-23749 exists.

Public exploit code: 1 Exploit-DB entry.

Sources

Also known as GHSA-5frx-8vj6-294f.