Main Vulnerability Database Vulnerabilities #VU51300

Code Injection in Microsoft Business Productivity Servers and Microsoft SharePoint Server - CVE-2021-27076

Published: March 9, 2021

Vulnerability identifier: #VU51300

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-2021-27076

CWE-ID: CWE-94

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 improper input validation in the Microsoft SharePoint Server. A remote authenticated attacker can send a specially crafted request and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Affected software

Microsoft Business Productivity Servers
Microsoft SharePoint Server

How to mitigate CVE-2021-27076

Install updates from vendor's website.

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-27076

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