CVE-2021-31204

Published: May 11, 2021Modified: Oct 7, 2026

7.8

Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploitability: 1.8 / Impact: 5.9

Source: NVD (Secondary)

Description

.NET and Visual Studio Elevation of Privilege Vulnerability

Affected (9)

Products: Microsoft: .net, .net Core, Visual Studio 2019 · Fedoraproject: Fedora

3 products

Visual Studio 2019

1 product

Configuration A

6 vulnerable

Vulnerable Software	Affected Versions
Microsoft .net	5.0 ≤ version ≤ 5.0.5
Microsoft .net Core	3.1 ≤ version ≤ 3.1.14
Microsoft Visual Studio 2019	16.0 ≤ version < 16.4.22
Microsoft Visual Studio 2019	16.5.0 ≤ version < 16.7.15
Microsoft Visual Studio 2019	16.8.0 ≤ version < 16.9.5
Microsoft Visual Studio 2019	Version 8.9

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Fedoraproject Fedora	Version 32
Fedoraproject Fedora	Version 33
Fedoraproject Fedora	Version 34

Related CWEs

Improper Privilege Management

The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor.

References (14)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F3VM3RMPE7PNNLLI3BPCSAXITQZCFCA/

Source: secure@microsoft.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M7KL3KTHJVQNRA3CWFUTESQJARQEHSZ/

Source: secure@microsoft.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FVMWZPF4FR6JPFSNAIDIUDULHZJBVCW6/

Source: secure@microsoft.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFXJPQUYUITJMV75YN3XIGE3KKN5GOCU/

Source: secure@microsoft.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UV4ITB3SUDGR23G7XALUVKFJMZERFUKF/

Source: secure@microsoft.com

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWF25Z3CZ6LYCOHZ7FPSFAQ426JUBUZ4/

Source: secure@microsoft.com

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31204

Source: secure@microsoft.com

PatchVendor Advisory

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F3VM3RMPE7PNNLLI3BPCSAXITQZCFCA/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M7KL3KTHJVQNRA3CWFUTESQJARQEHSZ/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FVMWZPF4FR6JPFSNAIDIUDULHZJBVCW6/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFXJPQUYUITJMV75YN3XIGE3KKN5GOCU/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UV4ITB3SUDGR23G7XALUVKFJMZERFUKF/

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWF25Z3CZ6LYCOHZ7FPSFAQ426JUBUZ4/

Source: af854a3a-2127-422b-91ae-364da2661108

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31204

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

Timeline

No history available yet.