Is CVE-2021-43877 actively exploited?

CVE-2021-43877 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-43877?

CVE-2021-43877 has a CVSS score of 8.8 (HIGH severity). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H.

How do I patch CVE-2021-43877?

Patch guidance is available from microsoft security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-43877.

Fix CVE-2021-43877 - HIGH microsoft asp.net core

Q: Which products are affected by CVE-2021-43877?

7 products: microsoft asp.net core, microsoft asp.net core, microsoft asp.net core, microsoft visual studio 2019, microsoft visual studio 2019, and 2 more.

Description

ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack Vector: local
Complexity: low
Privileges: low
User Action: none
Scope: changed
Confidentiality: high
Integrity: high
Availability: high
Weaknesses: NVD-CWE-noinfo

Metadata

Primary Vendor: MICROSOFT
Published: 12/15/2021
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

microsoft : asp.net_coremicrosoft : asp.net_coremicrosoft : asp.net_coremicrosoft : visual_studio_2019microsoft : visual_studio_2019microsoft : visual_studio_2019microsoft : visual_studio_2022

Remediation Guidance

Executive Summary

View on NIST NVD