Main Vulnerability Database Vulnerabilities #VU46408

Input validation error in Microsoft SharePoint Server and Microsoft SharePoint Foundation - CVE-2020-1576

Published: September 8, 2020

Vulnerability identifier: #VU46408

CSH Severity: Medium

CVSS v4: 9.4 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H]

CVE-ID: CVE-2020-1576

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 target system.

The vulnerability exists due to the affected software fails to check the source markup of an application package. A remote authenticated attacker can upload a specially crafted SharePoint application package and execute arbitrary code on the system.

Affected software

Microsoft SharePoint Server
Microsoft SharePoint Foundation

How to mitigate CVE-2020-1576

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1576

Related Security Bulletins