Vulnerability Intelligence Report
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
CVE-2021-43877
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
No Active Exploit Signals
CVSS Base Score
8.8
HIGH
Exploitability:2.1
Impact Score:6.1
EPSS Probability:0.72%
Executive Threat Verdict
Evaluating...
Evaluating Threat Landscape...
Assessing known weaponization, exploitation telemetry, and federal advisories.
Attack Surface
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Authentication
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Weaponization
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SSVC Action
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Affected Products & Versions
| Vendor | Product | Affected Versions |
|---|---|---|
| Microsoft | Microsoft Visual Studio 2019 version 16.7 (includes 16.0 – 16.6) | 16.0.0 < 16.7.23 (affected) |
| Microsoft | Microsoft Visual Studio 2019 version 16.9 (includes 16.0 - 16.8) | 15.0.0 < 16.9.15 (affected) |
| Microsoft | Microsoft Visual Studio 2019 version 16.11 (includes 16.0 - 16.10) | 16.11.0 < 16.11.8 (affected) |
| Microsoft | Microsoft Visual Studio 2022 version 17.0 | 17.0.0 < 17.0.3 (affected) |
| Microsoft | ASP.NET Core 3.1 | 3.0 < 3.1.22 (affected) |
| Microsoft | ASP.NET Core 5.0 | 5.0 < 5.0.13 (affected) |
| Microsoft | ASP.NET Core 6.0 | 6.0 < 6.0.101 (affected) |
| Microsoft | Microsoft Visual Studio 2022 version 17.1 | 17.0.0 < 17.1.4 (affected) |
Threat Intelligence Signals
EPSS Score
0.716%
Identity & Timeline
| Status | PUBLISHED |
| Assigning Authority | Microsoft Corporation · Vendor · USA |
| Reserved | 2021-11-16T00:00:00 |
| Published | 2021-12-15T14:15:31 |
| Patch Date | 2021-12-14 |
| Last Updated | 2024-08-04T04:10:17 |
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