KLA11664
Multiple vulnerabilities in Microsoft Exchange Server

Updated: 01/18/2022
Detect date
?
02/11/2020
Severity
?
High
Description

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to gain privileges, execute arbitrary code.

Below is a complete list of vulnerabilities:

  1. An elevation of privilege vulnerability in Microsoft Exchange Server can be exploited remotely to gain privileges.
  2. A memory corruption vulnerability in Microsoft Exchange can be exploited remotely via specially crafted email to execute arbitrary code.
Exploitation

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

Affected products

Microsoft Exchange Server 2016 Cumulative Update 14
Microsoft Exchange Server 2016 Cumulative Update 15
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 30
Microsoft Exchange Server 2019 Cumulative Update 4
Microsoft Exchange Server 2019 Cumulative Update 3

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-2020-0692
CVE-2020-0688

Impacts
?
ACE 
[?]

PE 
[?]
Related products
Microsoft Exchange Server
CVE-IDS
?
CVE-2020-06926.8High
CVE-2020-06889.0Critical
KB list

4536988
4536989
4536987

Microsoft official advisories
Microsoft Security Update Guide
Find out the statistics of the vulnerabilities spreading in your region