CVE-2025-21198 Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
An attacker can achieve remote code execution on Microsoft HPC Pack due to missing authentication for critical functions.
- 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-2025-21198?
CVE-2025-21198 is a critical authentication bypass vulnerability in Microsoft HPC Pack 2016, published on 11 Feb 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
Microsoft High Performance Compute (HPC) Pack Remote Code Execution Vulnerability
Weakness: CWE-306
Which versions are affected by CVE-2025-21198?
It affects 2 products.
Products include Microsoft Hpc Pack 2016, Microsoft Hpc Pack 2019.
How do I fix CVE-2025-21198?
No fix has been published for CVE-2025-21198 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2025-21198 being exploited?
There is no known exploitation of CVE-2025-21198 in the wild and no public exploit code.
Sources
Also known as GHSA-j397-w275-xjh3.