Microsoft Exchange Server Remote Code Execution Vulnerability
CVE-2021-31206

8HIGH

Key Information:

Vendor

Microsoft
Status
Microsoft Exchange Server 2019 Cumulative Update 9
Microsoft Exchange Server 2016 Cumulative Update 20
Microsoft Exchange Server 2013
Microsoft Exchange Server 2016 Cumulative Update 21
Vendor
CVE Published:
14 July 2021

What is CVE-2021-31206?

Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31196, CVE-2021-34473.

Human OS v1.0:
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Deploy the Patch

Affected Version(s)

Microsoft Exchange Server 2013 Cumulative Update 23

Microsoft Exchange Server 2016 Cumulative Update 20 = unspecified

Microsoft Exchange Server 2016 Cumulative Update 21 = unspecified

References

https://portal.msrc.microsoft.com/en-US/security-guidance...
x_refsource_MISC
https://www.zerodayinitiative.com/advisories/ZDI-21-826/
x_refsource_MISC

EPSS Score

8% chance of being exploited in the next 30 days.

CVSS V3.1

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

Timeline

  • Vulnerability published

  • Vulnerability Reserved

JSON
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