CVE-2021-31198

Microsoft Exchange Server Remote Code Execution Vulnerability

CVSS v2.0 6.8 MEDIUM

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-2021-31198	Patch Vendor Advisory
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-894/	Third Party Advisory VDB Entry
https://www.zerodayinitiative.com/advisories/ZDI-21-894/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:exchange_server:2013:cumulative_update_23::::::
	cpe:2.3:a:microsoft:exchange_server:2019:cumulative_update_8::::::
	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_9::::::

History

28 Feb 2025, 21:15

Type	Values Removed	Values Added
CVSS	v2 : ~~6.8~~ v3 : ~~7.8~~	v2 : 6.8 v3 : unknown
References	~~(N/A) https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31198 - Patch, Vendor Advisory
References	~~(MISC) https://www.zerodayinitiative.com/advisories/ZDI-21-894/ - Third Party Advisory, VDB Entry~~	() https://www.zerodayinitiative.com/advisories/ZDI-21-894/ - Third Party Advisory, VDB Entry

02 Aug 2023, 00:15

Type	Values Removed	Values Added
Summary	~~Microsoft Exchange Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31195.~~	Microsoft Exchange Server Remote Code Execution Vulnerability

Information

Published : 2021-05-11 19:15

Updated : 2025-02-28 21:15

NVD link : CVE-2021-31198

Mitre link : CVE-2021-31198

JSON object : View

Products Affected

microsoft

exchange_server

CWE

CWE-20

Improper Input Validation

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