Main Vulnerability Database Vulnerabilities #VU70957

Input validation error in Microsoft products - CVE-2023-21744

Published: January 10, 2023

Vulnerability identifier: #VU70957

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2023-21744

CWE-ID: CWE-20

Exploitation vector: Remote access

Exploit availability: No public exploit available

Vulnerability details

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 Microsoft SharePoint Server. A remote user can pass specially crafted input to the application and execute arbitrary code on the target system.

Affected software

Microsoft SharePoint Server Subscription Edition
Microsoft SharePoint Foundation
Microsoft SharePoint Enterprise Server
Microsoft SharePoint Server

How to mitigate CVE-2023-21744

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2023-21744

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