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Security Updates for Microsoft Exchange Server (April 2021)

Description

The Microsoft Exchange Server installed on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - A remote code execution vulnerability. An attacker could exploit this to execute unauthorized arbitrary code. (CVE-2021-28483, CVE-2021-28482, CVE-2021-28481, CVE-2021-28480, CVE-2021-34473) - An elevation of privilege vulnerability. An attacker can exploit this to gain elevated privileges. (CVE-2021-34523) - An information disclosure vulnerability. An attacker can exploit this to disclose potentially sensitive information. (CVE-2021-33766)


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