KLA11955 RCE vulnerability in Microsoft Exchange Server

Detect date:

09/08/2020

Severity:

Critical

Description:

Remote code execution vulnerability was found in Microsoft Exchange Server. Malicious users can exploit this vulnerability to execute arbitrary code.

Exploitation:

Malware exists for this vulnerability. Usually such malware is classified as Exploit. More details.

Affected products:

Microsoft Exchange Server 2019 Cumulative Update 5
Microsoft Exchange Server 2016 Cumulative Update 16
Microsoft Exchange Server 2019 Cumulative Update 6
Microsoft Exchange Server 2016 Cumulative Update 17

Solution:

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)

Original advisories:

CVE-2020-16875

Impacts:

ACE

Related products:

Microsoft Exchange Server

CVE-IDS:

CVE-2020-168758.4Critical

KB list:

4577352

Microsoft official advisories: