Input validation error in Microsoft Exchange Server - CVE-2020-17142

 

Input validation error in Microsoft Exchange Server - CVE-2020-17142

Published: December 8, 2020


Vulnerability identifier: #VU48852
CSH Severity: Low
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-2020-17142
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability: No public exploit available

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 in Microsoft Exchange. A remote administrator can pass specially crafted input to the application and execute arbitrary code on the target system.


Affected software

Microsoft Exchange Server

How to mitigate CVE-2020-17142

Install updates from vendor's website.


External References

Related Security Bulletins