CVE-2021-31204: .NET and Visual Studio Elevation of Privilege Vulnerability

Overview

Severity

High (CVSS 7.3)

CVSS Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

Category

Elevation of Privilege

Exploit Status

Not Exploited

Exploitation Likelihood

Less Likely

Publicly Disclosed

Yes

Patch Tuesday

2021-May

Released

2021-05-11

EPSS Score

8.69% (percentile: 92.5%)

Affected Products (6)

Developer Tools

• .NET Core 3.1
• .NET 5.0
• Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8)
• Microsoft Visual Studio 2019 version 16.4 (includes 16.0 - 16.3)
• Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6)
• Visual Studio 2019 for Mac version 8.9

Security Updates (6)

• Release Notes
• Release Notes
• Release Notes
• Release Notes
• Release Notes
• Release Notes

Revision History

• 2021-05-11: Information published.