Link following in Azure Service Fabric - CVE-2025-21195
Published: July 9, 2025
Vulnerability identifier: #VU112627
CSH Severity: Low
CVSS v4: 4.4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2025-21195
CWE-ID: CWE-59
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an insecure link following issue in Azure Service Fabric Runtime. A local user can create a specially crafted symbolic link to a critical file on the system and overwrite it with privileges of the application.
Affected software
Azure Service Fabric
How to mitigate CVE-2025-21195
Install updates from vendor's website.
Azure Service Fabric - update to 10.1 Cumulative Update 7.0