Vulnerability in Microsoft Asp.net Core 3.1
CVE-2021-1723
ASP.NET Core and Visual Studio Denial of Service Vulnerability
EPSS: 0.041 (88.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Asp.net Core 3.1 — versions 3.0
- Microsoft Asp.net Core 5.0 — versions 5.0
- Microsoft Visual Studio 2019 Version 16.4 (Includes 16.0 - 16.3) — versions 16.0
- Microsoft Visual Studio 2019 Version 16.7 (Includes 16.0 – 16.6) — versions 16.0.0
- Microsoft Visual Studio 2019 Version 16.8 — versions 16.0
Public proof-of-concept exploits
References
- ASP.NET Core and Visual Studio Denial of Service Vulnerability (vendor-advisory)
Frequently asked questions
- What is CVE-2021-1723?
- CVE-2021-1723 is a high-severity vulnerability in Microsoft Asp.net Core 3.1. CVSS score: 7.5/10. Published 2021-01-12.
- How severe is CVE-2021-1723?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2021-1723 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.