KLA12137
Multiple vulnerabilities in Microsoft Exchange Server

Updated: 09/28/2023

Detect date ?	04/13/2021
Severity ?	Critical
Description	Remote code execution vulnerabilities were found in Microsoft Exchange Server. Malicious users can exploit this vulnerability to execute arbitrary code.
Exploitation	Public exploits exist for this vulnerability. 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 20 Microsoft Exchange Server 2019 Cumulative Update 9 Microsoft Exchange Server 2016 Cumulative Update 19 Microsoft Exchange Server 2019 Cumulative Update 8
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-2021-28480 CVE-2021-28482 CVE-2021-28483 CVE-2021-28481
Impacts ?	ACE [?]
Related products	Microsoft Exchange Server
CVE-IDS ?	CVE-2021-284829.0Critical CVE-2021-284837.7Critical
KB list	5001779
Microsoft official advisories	Microsoft Security Update Guide
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KLA12137Multiple vulnerabilities in Microsoft Exchange Server