CVE-2021-43877
HIGHCVSS 8.8/10EPSS 0.72%
Last modified
CVE-2021-43877 is a high-severity vulnerability rated 8.8/10 on the CVSS scale. ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability. EPSS estimates a 0.72% chance of exploitation in the next 30 days.
Description
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
Metrics
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Asp.Net Core | 3.1 |
| Microsoft | Asp.Net Core | 5.0 |
| Microsoft | Asp.Net Core | 6.0 |
| Microsoft | Visual Studio 2019 | 16.7 |
| Microsoft | Visual Studio 2019 | 16.9 |
| Microsoft | Visual Studio 2019 | 16.11 |
| Microsoft | Visual Studio 2022 | 17.0 |
References
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877Patch, Vendor Advisory
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-43877Patch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-43877?
ASP.NET Core and Visual Studio Elevation of Privilege Vulnerability
How severe is CVE-2021-43877?
CVE-2021-43877 has a CVSS score of 8.8/10 (HIGH severity). The EPSS model estimates a 0.72% probability of exploitation in the next 30 days.
How do I fix CVE-2021-43877?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2021-43877?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST