Input validation error in Microsoft Exchange Server - CVE-2020-17144

 

Input validation error in Microsoft Exchange Server - CVE-2020-17144

Published: December 8, 2020 / Updated: April 23, 2024


Vulnerability identifier: #VU48886
CSH Severity: High
CVSS v4: 6.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:H/SI:H/SA:H]
CVE-ID: CVE-2020-17144
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: The vulnerability is being exploited in the wild

Vulnerability details

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

The vulnerability exists due to insufficient validation of user-supplied input when processing cmdlet argument. A remote privileged user can pass specially crafted input to the exchange server and  execute arbitrary code.


Affected software

Microsoft Exchange Server

How to mitigate CVE-2020-17144

Install updates from vendor's website.

Microsoft Exchange Server - update to 2010 Service Pack 3 Update Rollup 31

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins