CVE-2021-31195

Microsoft Exchange Server Remote Code Execution Vulnerability

State: Published
Severity: 6.5 Medium
Published: May 11, 2021
Updated: Feb 28, 2025
Reserved: Apr 14, 2021

Description

Microsoft Exchange Server Remote Code Execution Vulnerability

Scores

CVSS	Score	Vector	Source
3.1	6.5 Medium	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-290 Authentication Bypass by Spoofing

Affected Products

Product	Versions
Microsoft Exchange Server 2016 Cumulative Update 19Microsoft	15.01.0 to before 15.01.2176.014Affected
Microsoft Exchange Server 2019 Cumulative Update 8Microsoft	15.02.0 to before 15.02.0792.015Affected
Microsoft Exchange Server 2019 Cumulative Update 9Microsoft	15.02.0 to before 15.02.0858.012Affected
Microsoft Exchange Server 2016 Cumulative Update 20Microsoft	15.01.0 to before 15.01.2242.010Affected
Microsoft Exchange Server 2013 Cumulative Update 23Microsoft	15.00.0 to before 15.00.1497.018Affected

References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195

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