CVSS 3.1 Score 9.1 of 10 (high)


Published Jul 14, 2021
Updated: Dec 28, 2023
CWE ID 918


CVE-2021-34473 is a critical vulnerability that affects Microsoft Exchange Server. It is a remote code execution vulnerability that allows attackers to execute arbitrary code on the affected server. The vulnerability has a high impact on both integrity and confidentiality. It does not require any user interaction or privileges, and can be exploited over the network. The base severity score is 9.1 out of 10. To remediate this vulnerability, organizations should apply the necessary security updates provided by Microsoft. Failure to address this vulnerability can pose a significant danger to organizations as it allows attackers to gain unauthorized access and potentially compromise sensitive information stored on the server.

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