CVE-2025-34082 IGEL OS Secure Terminal and Secure Shadow Remote Code Execution

Critical 9.3 Published Updated

Unauthenticated attackers can execute arbitrary commands with elevated privileges via crafted PROXYCMD messages on IGEL OS devices.

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-2025-34082?

CVE-2025-34082 is a critical command injection vulnerability in IGEL Technology GmbH OS, published on 3 Jul 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A command injection vulnerability exists in IGEL OS versions prior to 11.04.270 within the Secure Terminal and Secure Shadow services. The flaw arises due to improper input sanitization in the handling of specially crafted PROXYCMD commands on TCP ports 30022 and 5900. An unauthenticated attacker with network access to a vulnerable device can inject arbitrary commands, leading to remote code execution with elevated privileges.

NOTE: IGEL OS v10.x has reached end-of-life (EOL) status.

Weakness: CWE-78

Which versions are affected by CVE-2025-34082?

How do I fix CVE-2025-34082?

No fix has been published for CVE-2025-34082 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-2025-34082 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34082 exists.

Public exploit code: 1 Metasploit module.

Sources

Also known as GHSA-c767-w6jw-8m4j.

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