Microsoft Exchange Server Elevation of Privilege Vulnerability
CVE-2021-33768

8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Exchange Server 2019 Cumulative Update 9
Microsoft Exchange Server 2016 Cumulative Update 20
Microsoft Exchange Server 2016 Cumulative Update 21
Microsoft Exchange Server 2019 Cumulative Update 10
Vendor
CVE Published:
14 July 2021

What is CVE-2021-33768?

Microsoft Exchange Server Elevation of Privilege Vulnerability

Affected Version(s)

Microsoft Exchange Server 2016 Cumulative Update 20 x64-based Systems 15.01.0 < 15.01.2242.012

Microsoft Exchange Server 2016 Cumulative Update 21 x64-based Systems 15.01.0 < 15.01.2308.014

Microsoft Exchange Server 2019 Cumulative Update 10 x64-based Systems 15.02.0 < 15.02.0922.013

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC

CVSS V3.1

Score:
8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.