CVE-2021-43877
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
Fixes and workarounds
No remediation reported in collected sources.
Missing remediation information is not evidence that no patch exists.
Affected products and versions
| Product | Versions | Authority |
|---|---|---|
| Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) Microsoft Platforms: Unknown |
≥ 16.0.0; < 16.7.23 (affected, custom) | CNA: microsoft |
| Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) Microsoft Platforms: Unknown |
≥ 15.0.0; < 16.9.15 (affected, custom) | CNA: microsoft |
| Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) Microsoft Platforms: Unknown |
≥ 16.11.0; < 16.11.8 (affected, custom) | CNA: microsoft |
| Microsoft Visual Studio 2022 version 17.0 Microsoft Platforms: Unknown |
≥ 17.0.0; < 17.0.3 (affected, custom) | CNA: microsoft |
| ASP.NET Core 3.1 Microsoft Platforms: Unknown |
≥ 3.0; < 3.1.22 (affected, custom) | CNA: microsoft |
| ASP.NET Core 5.0 Microsoft Platforms: Unknown |
≥ 5.0; < 5.0.13 (affected, custom) | CNA: microsoft |
| ASP.NET Core 6.0 Microsoft Platforms: Unknown |
≥ 6.0; < 6.0.101 (affected, custom) | CNA: microsoft |
| Microsoft Visual Studio 2022 version 17.1 Microsoft Platforms: Unknown |
≥ 17.0.0; < 17.1.4 (affected, custom) | CNA: microsoft |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 3.1 / 8.8 high |
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C | CNA: microsoft |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877CNA: microsoft · x_refsource_MISC
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877ADP: CVE · x_refsource_MISC, x_transferred
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