CVE-2025-36251 AIX Command Execution
Remote attackers can execute arbitrary commands on IBM AIX and VIOS systems via the nimsh service due to improper process controls.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-36251?
CVE-2025-36251 is a critical command injection vulnerability in Ibm Aix, published on 13 Nov 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
IBM AIX 7.2, and 7.3 and IBM VIOS 3.1, and 4.1 nimsh service SSL/TLS implementations could allow a remote attacker to execute arbitrary commands due to improper process controls. This addresses additional attack vectors for a vulnerability that was previously addressed in CVE-2024-56347.
Weakness: CWE-114
Which versions are affected by CVE-2025-36251?
It affects 2 products.
How do I fix CVE-2025-36251?
No fix has been published for CVE-2025-36251 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-2025-36251 being exploited?
There is no known exploitation of CVE-2025-36251 in the wild and no public exploit code.
Other vulnerabilities in Ibm Aix
Sources
Also known as GHSA-hfx3-278h-qhxq.