KLA20042
Multiple vulnerabilities in Microsoft Exchange Server

Updated: 09/28/2023
Detect date
?
11/08/2022
Severity
?
Critical
Description

Multiple vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit these vulnerabilities to spoof user interface, gain privileges.

Below is a complete list of vulnerabilities:

  1. A spoofing vulnerability in Microsoft Exchange Server can be exploited remotely to spoof user interface.
  2. An elevation of privilege vulnerability in Microsoft Exchange Server can be exploited remotely to gain privileges.
Exploitation

Public exploits exist for this vulnerability.

Affected products

Microsoft Exchange Server 2019 Cumulative Update 11
Microsoft Exchange Server 2019 Cumulative Update 12
Microsoft Exchange Server 2016 Cumulative Update 22
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2016 Cumulative Update 23

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-2022-41078
CVE-2022-41079
CVE-2022-41080
CVE-2022-41123

Impacts
?
PE 
[?]

SUI 
[?]
Related products
Microsoft Exchange Server
CVE-IDS
?
CVE-2022-410785.0Warning
CVE-2022-410795.0Warning
CVE-2022-410805.0Warning
CVE-2022-411235.0Warning
KB list

5019758

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