PT-2021-3040 · Microsoft+3 · .Net Framework+5

Published 2021-05-11 · Updated 2024-03-06 · CVE-2021-31204

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions .NET and Visual Studio (affected versions not specified)

Description The issue is related to insufficient access restrictions in the .NET Framework and Visual Studio, which can allow an attacker to elevate their privileges.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Weakness Enumeration

CWE-264

Related Identifiers

ALT-PU-2021-2098

ALT-PU-2021-2099

ALT-PU-2021-2109

ALT-PU-2022-1544

ALT-PU-2022-1548

ALT-PU-2022-1549

BDU:2021-02646

BIT-DOTNET-2021-31204

BIT-DOTNET-SDK-2021-31204

CESA-2021_2036

CESA-2021_2037

CVE-2021-31204

RHSA-2021:1546

RHSA-2021:1547

RHSA-2021:2036

RHSA-2021:2037

RHSA-2021_2036

RHSA-2021_2037

Affected Products

.Net Framework

Alt Linux

Centos

Net

Red Hat

Visual Studio

References · 23

• https://cve.org/CVERecord?id=CVE-2021-31204 · Security Note
• https://linux.oracle.com/errata/ELSA-2021-2036.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UV4ITB3SUDGR23G7XALUVKFJMZERFUKF · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-31204 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-31204 · Vendor Advisory
• https://linux.oracle.com/errata/ELSA-2021-2037.html · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZWF25Z3CZ6LYCOHZ7FPSFAQ426JUBUZ4 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-dotnet-sdk-2021-31204 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/LFXJPQUYUITJMV75YN3XIGE3KKN5GOCU · Vendor Advisory
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31204 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6M7KL3KTHJVQNRA3CWFUTESQJARQEHSZ · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FVMWZPF4FR6JPFSNAIDIUDULHZJBVCW6 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F3VM3RMPE7PNNLLI3BPCSAXITQZCFCA · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-31204 · Security Note
• https://bdu.fstec.ru/vul/2021-02646 · Security Note