QID 150834

Date Published: 2024-03-19

QID 150834: Microsoft Exchange Server Remote Code Execution (RCE) Vulnerability (CVE-2024-26198)

Microsoft Exchange Server is a mail server and calendaring server developed by Microsoft. It runs exclusively on Windows Server operating systems.

Multiple versions of Microsoft Exchange Server are affected by a Remote Code Execution (RCE) Vulnerability when loading malicious DLL files.

Affected Products:
Exchange Server 2019 Cumulative Update 14
Exchange Server 2019 Cumulative Update 13
Exchange Server 2016 Cumulative Update 23

QID Detection Logic: (Unauthenticated)
This QID sends a HTTP GET request to "/owa" endpoint and checks for vulnerable version of Microsoft Exchange Server.

Successful exploitation of this vulnerability could allow an unauthenticated attacker to load a malicious DLL file which could lead to Remote Code Execution (RCE).

CVSS V3 rated as Critical - 8.8 severity.

CVSS V2 rated as Critical - 10 severity.

Solution

Customers are advised to apply latest relevant updates for Microsoft Exchange Server 2019 and Microsoft Exchange Server 2016:

Exchange Server 2019 Cumulative Update 14 - KB5036401
Exchange Server 2019 Cumulative Update 13 - KB5036402
Exchange Server 2016 Cumulative Update 23 - KB5036386

For more information pertaining to this vulnerability please refer Microsoft Security Advisory.

Vendor References

Microsoft Security Advisory - msrc.microsoft.com/update-guide/vulnerability/CVE-2024-26198

CVEs related to QID 150834

CVE-2024-26198 |

Software Advisories

Advisory ID	Software	Component	Link
KB5036386			support.microsoft.com/help/5036386
KB5036401			support.microsoft.com/help/5036401
KB5036402			support.microsoft.com/help/5036402

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