CVE-2025-21173HighCVSS 7.3

.NET Elevation of Privilege Vulnerability

Published
January 14, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-21173 →

📋 Description

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could overwrite arbitrary file content in the security context of the local system.

According to the CVSS metric, user interaction is required (UI:R). What interaction would the user have to do? Exploitation of this vulnerability requires that a user trigger the payload in the application.

According to the CVSS metric, user interaction is required (UI:R) and privileges required  is low (PR:L). What does that mean for this vulnerability? An authorized attacker with standard user privileges could place a malicious file and then wait for the privileged victim to run the calling command.

🎯 Affected products6

  • .NET 8.0 installed on Linux
  • .NET 9.0 installed on Linux
  • Microsoft Visual Studio 2022 version 17.10
  • Microsoft Visual Studio 2022 version 17.12
  • Microsoft Visual Studio 2022 version 17.6
  • Microsoft Visual Studio 2022 version 17.8

✅ Remediation

KB5050525 (Security Update) — fixed build 8.0.12 KB5050526 (Security Update) — fixed build 9.0.1 KBRelease Notes (Security Update) — fixed build 17.12.4 KBRelease Notes (Security Update) — fixed build 17.6.22 KBRelease Notes (Security Update) — fixed build 17.8.17 KBRelease Notes (Security Update) — fixed build 17.10.10

🔗 References (10)