CVE-2025-21195 Azure Service Fabric Runtime Elevation of Privilege Vulnerability
An authorized local attacker can elevate privileges in Azure Service Fabric Runtime due to improper link resolution during file access.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-21195?
CVE-2025-21195 is a medium-severity path traversal vulnerability in Microsoft Service Fabric, published on 8 Jul 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Improper link resolution before file access ('link following') in Service Fabric allows an authorized attacker to elevate privileges locally.
Weakness: CWE-59
Which versions are affected by CVE-2025-21195?
It affects 1 product.
Products include Microsoft Azure Service Fabric.
How do I fix CVE-2025-21195?
No fix has been published for CVE-2025-21195 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2025-21195 being exploited?
There is no known exploitation of CVE-2025-21195 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Service Fabric
- CVE-2023-23383 Service Fabric Explorer Spoofing Vulnerability
- CVE-2023-21531 Azure Service Fabric Container Elevation of Privilege Vulnerability
- CVE-2024-43480 Azure Service Fabric for Linux Remote Code Execution Vulnerability
- CVE-2023-36868 Azure Service Fabric on Windows Information Disclosure Vulnerability
- CVE-2022-35829 Service Fabric Explorer Spoofing Vulnerability
Sources
Also known as GHSA-6c6m-g479-h6f3.