CVE-2021-31195

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS v3 6.5 MEDIUM
CVSS v2.0 6.8 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

6.8^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:P/I:P/A:P

Exploitability : 8.6 / Impact : 6.4

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195	Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23::::::
	cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_19::::::
	cpe:2.3:a:microsoft:exchange_server:2016:cumulative_update_20::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_9::::::

History

28 Feb 2025, 20:15

Type	Values Removed	Values Added
CWE		CWE-290

21 Nov 2024, 06:05

Type	Values Removed	Values Added
References	~~() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31195 - Patch, Vendor Advisory

02 Aug 2023, 00:15

Type	Values Removed	Values Added
CVSS	v2 : ~~6.8~~ v3 : ~~8.8~~	v2 : 6.8 v3 : 6.5
Summary	~~Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31198.~~	Microsoft Exchange Server Remote Code Execution Vulnerability

Information

Published : 2021-05-11 19:15

Updated : 2025-02-28 20:15

NVD link : CVE-2021-31195

Mitre link : CVE-2021-31195

CVE.ORG link : CVE-2021-31195

JSON object : View

Products Affected

microsoft

exchange_server

CWE

NVD-CWE-noinfo CWE-290

Authentication Bypass by Spoofing

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