.NET Remote Code Execution Vulnerability
🔗 CVE IDs covered (1)
📋 Description
According to the CVSS metric, the attack vector is network (AV:N) and the user interaction is required (UI:R). What is the target context of the remote code execution? This attack requires a victim to perform a specific action, such as copying files or executing a command, and for an attacker with appropriate access to have pre-planted malicious files with knowledge of where they should be placed on the victim's system.
According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability? This attack requires a victim to perform a specific action, such as copying files or executing a command, and for an attacker with appropriate access to have pre-planted malicious files with knowledge of where they should be placed on the victim's 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.
🎯 Affected products10
- .NET 9.0 installed on Linux
- .NET 9.0 installed on Mac OS
- .NET 9.0 installed on Windows
- 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
- PowerShell 7.5 installed on Linux
- PowerShell 7.5 installed on MacOS
- PowerShell 7.5 installed on Windows
✅ Remediation
KBRelease Notes (Security Update) — fixed build 7.5.0 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 (9)
- advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21171
- patchhttps://github.com/PowerShell/Announcements/issues/72
- patchhttps://dotnet.microsoft.com/en-us/download/dotnet/9.0
- referencehttps://support.microsoft.com/help/5050526
- patchhttps://my.visualstudio.com/Downloads?q=Visual Studio 2022 version 17.12
- referencehttps://learn.microsoft.com/en-us/visualstudio/releases/2022/release-notes
- patchhttps://my.visualstudio.com/Downloads?q=Visual Studio 2022 version 17.6
- patchhttps://my.visualstudio.com/Downloads?q=Visual Studio 2022 version 17.8
- patchhttps://my.visualstudio.com/Downloads?q=Visual Studio 2022 version 17.10