CVE-2021-31196
vulnerability analysis and mitigation

Overview

Microsoft Exchange Server Remote Code Execution Vulnerability (CVE-2021-31196) was disclosed on July 13, 2021. This vulnerability affects Microsoft Exchange Server installations and was identified as a potential remote code execution vulnerability (CVE Mitre).

Technical details

The vulnerability has been assigned a CVSS score of 7.0 (AV:N/AC:L/Au:S/C:P/I:P/A:P), indicating a moderate to high severity issue that requires authentication for exploitation (Rapid7).

Impact

If successfully exploited, this vulnerability could allow an attacker to execute arbitrary code on affected Microsoft Exchange Server systems (CVE Mitre).

Mitigation and workarounds

Microsoft has released security updates to address this vulnerability. The fixes are available through Security Update 1 for Exchange Server 2016 Cumulative Update 21 (KB5004779) and Security Update 3 for Exchange Server 2016 Cumulative Update 20. Organizations are advised to apply these security updates to protect against potential exploitation (Microsoft Support).

Additional resources


SourceThis report was generated using AI

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