Input validation error in ASP.NET Core MVC and Microsoft .NET Core - CVE-2021-26701
Published: February 9, 2021
Vulnerability identifier: #VU50496
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-26701
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
ASP.NET Core MVC
Microsoft .NET Core
ASP.NET Core MVC
Microsoft .NET Core
Detailed vulnerability description
The vulnerability allows a remote attacker to execute arbitrary code on the system.
The vulnerability exists due to insufficient validation of user-supplied input in .NET Core. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
How to mitigate CVE-2021-26701
Install updates from vendor's website.