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: 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-2023-32031
CWE-ID: CWE-502
Exploitation vector: Remote access
Exploit availability:
Public exploit is available
Vulnerability details
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.
Affected software
Microsoft Exchange Server
How to mitigate CVE-2023-32031
Install updates from vendor's website.
Microsoft Exchange Server - addressed in versions 2016 CU23 Jun23SU 15.01.2507.027, 2019 CU12 Jun23SU 15.02.1118.030, 2019 CU13 Jun23SU 15.02.1258.016