PT-2021-7947 · Microsoft+1 · Visual Studio+2

Rami Abughazaleh · Published 2021-12-14 · Updated 2024-03-06 · CVE-2021-43877

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

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

Description The issue is related to an elevation of privilege vulnerability in the software development tool Microsoft Visual Studio, which is associated with insufficient access restrictions. Exploitation of this issue may 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-2022-1269

ALT-PU-2022-1271

ALT-PU-2022-1273

ALT-PU-2022-1277

ALT-PU-2022-1352

ALT-PU-2022-1356

ALT-PU-2022-1357

ALT-PU-2022-1359

ALT-PU-2022-1544

ALT-PU-2022-1546

ALT-PU-2022-1548

ALT-PU-2022-1552

BDU:2023-06549

BIT-ASPNET-CORE-2021-43877

CVE-2021-43877

Affected Products

Alt Linux

Asp.Net Core

Visual Studio

References · 7

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-43877 · Security Note
• https://osv.dev/vulnerability/BIT-aspnet-core-2021-43877 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-06549 · Security Note
• https://osv.dev/vulnerability/CVE-2021-43877 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2021-43877 · Vendor Advisory
• https://t.me/cibsecurity/34011 · Telegram Post