Microsoft Exchange Remote Code Execution Vulnerability (CVE-2020-17144) Threat Alert

Microsoft Exchange Remote Code Execution Vulnerability (CVE-2020-17144) Threat Alert

janeiro 6, 2021 | Adeline Zhang


Microsoft disclosed a remote code execution vulnerability (CVE-2020-17144) Microsoft Exchange Server 2010 in its latest December security updates, rating the vulnerability as Important.  

The vulnerability exists because the program improperly verifies cmdlet parameters. An authenticated attacker could exploit this vulnerability to cause remote code execution.

This vulnerability is similar to CVE-2020-0688 and requires login before being exploited. However, to exploit it does not require a plaintext password but NTHash. In addition to regular mail services and OWA, the EWS interface also provides the necessary methods for exploitation. The functions of the vulnerability are also persistent.

At present, detailed analysis and exploitation of this vulnerability have appeared. Affected users are advised to take measures to avert risks without delay.

Reference links:

Affected Version

  • Microsoft Exchange Server 2010 Service Pack 3 Update Rollup 31


Microsoft has fixed the preceding vulnerability in the monthly security updates released this time. Users should download the updates for protection as soon as possible.

For more information, see Microsoft’s official security advisory at the following link:


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