Deserialization of Untrusted Data in Microsoft Exchange Server - CVE-2023-32031

 

Deserialization of Untrusted Data in Microsoft Exchange Server - CVE-2023-32031

Published: June 13, 2023 / Updated: July 26, 2024


Vulnerability identifier: #VU77240
CSH Severity: High
CVSS v4.0: 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/E:P/U:Amber
CVE-ID: CVE-2023-32031
CWE-ID: CWE-502
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 user to execute arbitrary code on the target system.

The vulnerability exists due to insecure input validation when processing serialized data within the Command class. A remote user can pass specially crafted data to the application and execute arbitrary code on the target system.

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


How to mitigate CVE-2023-32031

Install updates from vendor's website.

Sources