Input validation error in Microsoft products - CVE-2023-21808
Published: February 15, 2023
Vulnerability identifier: #VU72215
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2023-21808
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to insufficient validation of user-supplied input when parsing certain symbols. A remote attacker can pass specially crafted input to the application and execute arbitrary code on the target system.
Affected software
Microsoft .NET Framework
Microsoft .NET Core
Visual Studio
SINEC PNI
Microsoft .NET Core
Visual Studio
SINEC PNI
How to mitigate CVE-2023-21808
Install updates from vendor's website.
Microsoft .NET Core - addressed in versions 6.0.14, 7.0.3
Visual Studio - addressed in versions 15.9.52, 16.11.24 16.11.33328.57, 17.0.19 17.0.33402.176, 17.2.13 17.2.33402.178, 17.4.5 17.4.33403.182
SINEC PNI - update to 2.0
Visual Studio - addressed in versions 15.9.52, 16.11.24 16.11.33328.57, 17.0.19 17.0.33402.176, 17.2.13 17.2.33402.178, 17.4.5 17.4.33403.182
SINEC PNI - update to 2.0