CVE-2021-31196 is a vulnerability in Microsoft Exchange Server
Published on July 14, 2021
Microsoft Exchange Server Remote Code Execution Vulnerability
Known Exploited Vulnerability
This Microsoft Exchange Server Information Disclosure Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Exchange Server contains an information disclosure vulnerability that allows for remote code execution.
The following remediation steps are recommended / required by September 11, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vulnerability Analysis
CVE-2021-31196 is exploitable with network access, and requires user privileges. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.2 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.
Products Associated with CVE-2021-31196
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What versions of Exchange Server are vulnerable to CVE-2021-31196?
- Microsoft Exchange Server Version 2013 cumulative_update_23
- Microsoft Exchange Server Version 2016 cumulative_update_20
- Microsoft Exchange Server Version 2019 cumulative_update_9
- Microsoft Exchange Server Version 2016 cumulative_update_21
- Microsoft Exchange Server Version 2019 cumulative_update_10