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KLA12022
Multiple vulnerabilities in Microsoft Exchange Server

Updated: 01/25/2024
Detect date
?
12/08/2020
Severity
?
Critical
Description

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to execute arbitrary code, obtain sensitive information.

Below is a complete list of vulnerabilities:

  1. A remote code execution vulnerability in Microsoft Exchange can be exploited remotely to execute arbitrary code.
  2. An information disclosure vulnerability in Microsoft Exchange can be exploited remotely to obtain sensitive information.
Exploitation

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

Affected products

Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 18
Microsoft Exchange Server 2016 Cumulative Update 17
Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31
Microsoft Exchange Server 2019 Cumulative Update 7
Microsoft Exchange Server 2019 Cumulative Update 6

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-2020-17132
CVE-2020-17117
CVE-2020-17144
CVE-2020-17141
CVE-2020-17143
CVE-2020-17142

Impacts
?
ACE 
[?]

OSI 
[?]
Related products
Microsoft Exchange Server
CVE-IDS
?
CVE-2020-171329.1Critical
CVE-2020-171176.6High
CVE-2020-171448.4Critical
CVE-2020-171418.4Critical
CVE-2020-171438.8Critical
CVE-2020-171429.1Critical
KB list

4593466
4593465
4593467

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