Code Injection in Microsoft Exchange Server - CVE-2021-31195

 

Code Injection in Microsoft Exchange Server - CVE-2021-31195

Published: May 11, 2021 / Updated: September 12, 2021


Vulnerability identifier: #VU53083
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: CVE-2021-31195
CWE-ID: CWE-94
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Microsoft
Affected software:
Microsoft Exchange Server

Detailed vulnerability description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to improper input validation in Microsoft Exchange Server. A remote attacker can execute arbitrary code on the target system.

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


How to mitigate CVE-2021-31195

Install updates from vendor's website.

Sources