QID 50112

Date Published: 2021-07-14

QID 50112: Microsoft Exchange Server Multiple Vulnerabilities July 2021

Microsoft Exchange Server is prone to multiple vulnerabilities:

Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Information Disclosure Vulnerability
Microsoft Exchange Server Remote Code Execution Vulnerability

KB Articles associated with this update are: KB5004780,KB5004779,KB5004778

Affected Versions:
Microsoft Exchange Server 2013 Cumulative Update 23
Microsoft Exchange Server 2019 Cumulative Update 9
Microsoft Exchange Server 2019 Cumulative Update 10
Microsoft Exchange Server 2016 Cumulative Update 20
Microsoft Exchange Server 2016 Cumulative Update 21

QID Detection Logic (authenticated):
The QID checks for the version of file Exsetup.exe.

Successful exploitation allows attackers to execute remote code.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Critical - 10 severity.

Solution

Customers are advised to refer to KB5004780, KB5004779, KB5004778 for information pertaining to this vulnerability.

Vendor References

CVEs related to QID 50112

CVE-2021-34473 | CVE-2021-31196 | CVE-2021-34523 | CVE-2021-33768 | CVE-2021-31206 | CVE-2021-33766 |

Software Advisories

Advisory ID	Software	Component	Link
KB5004778			www.microsoft.com/download/details.aspx?familyid=cae731a5-0d00-4f76-b2c6-84bd511e529f
KB5004779			www.microsoft.com/download/details.aspx?familyid=ccf40c19-2653-4b5c-b922-d6d09bbf1c3e
KB5004780			www.microsoft.com/download/details.aspx?familyid=07683b40-1608-437d-a90a-eb2683cb3092

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