#VU102801 Heap-based buffer overflow in Microsoft products - CVE-2025-21171

 

#VU102801 Heap-based buffer overflow in Microsoft products - CVE-2025-21171

Published: January 15, 2025


Vulnerability identifier: #VU102801
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-21171
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
.NET for Linux
.NET for macOS
Visual Studio
PowerShell for Linux
PowerShell for macOS
.NET
PowerShell
Software vendor:
Microsoft

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error in .NET. A remote attacker can pass specially crafted data to the application, trigger a heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install updates from vendor's website.

External links