Jul 2021: Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-34523 Published on July 14, 2021
Microsoft Exchange Server Elevation of Privilege Vulnerability
Microsoft Exchange Server Elevation of Privilege Vulnerability
Known Exploited Vulnerability
This Microsoft Exchange Server Privilege Escalation Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Exchange Server Privilege Escalation Vulnerability. This CVE ID is unique from CVE-2021-33768, CVE-2021-34470.
The following remediation steps are recommended / required by November 17, 2021: Apply updates per vendor instructions.
Products Associated with CVE-2021-34523
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Affected Versions
Microsoft Exchange Server 2013 Cumulative Update 23:- Version 15.00.0 and below 15.00.1497.015 is affected.
- Version 15.02.0 and below 15.02.0858.010 is affected.
- Version 15.01.0 and below 15.01.2242.008 is affected.
- Version 15.01.0 and below 15.01.2176.012 is affected.
- Version 15.02.0 and below 15.02.0792.013 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.