CVE-2021-26423

CWE-8356 documents6 sources
Severity
7.5HIGH
EPSS
3.4%
top 12.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
16
Microsoft .net 5.0Microsoft .net Core 2.1Microsoft .net Core 3.1+13 more
Timeline
PublishedAug 12
Latest updateOct 25

Description

.NET Core and Visual Studio Denial of Service Vulnerability

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages39 packages

Patches

Patch: portal.msrc.microsoft.com ↗Patch: portal.msrc.microsoft.com ↗

🔴Vulnerability Details

3
OSV
.NET Core Elevation of Privilege Vulnerability↗2022-10-25
▶
GHSA
.NET Core Elevation of Privilege Vulnerability↗2022-10-25
▶
CVEList
.NET Core and Visual Studio Denial of Service Vulnerability↗2021-08-12
▶

📋Vendor Advisories

2
Red Hat
dotnet: ASP.NET Core WebSocket frame processing DoS↗2021-08-10
▶
Microsoft
.NET Core and Visual Studio Denial of Service Vulnerability↗2021-08-10
▶
CVE-2021-26423 (HIGH CVSS 7.5) | .NET Core and Visual Studio Denial | cvebase.io