CVE-2021-26420

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVSS v3 7.1 HIGH
CVSS v2.0 6.5 MEDIUM

7.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.6 / Impact : 5.5

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact LOW

Scope UNCHANGED

6.5^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-755/	Third Party Advisory VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-755/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:microsoft:sharepoint_enterprise_server:2016:::::::*
	cpe:2.3:a:microsoft:sharepoint_foundation:2013:sp1::::::
	cpe:2.3:a:microsoft:sharepoint_server:2019:::::::*

History

21 Nov 2024, 05:56

Type	Values Removed	Values Added
References	~~() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420 - Patch, Vendor Advisory~~	() https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26420 - Patch, Vendor Advisory
References	~~() https://www.zerodayinitiative.com/advisories/ZDI-21-755/ - Third Party Advisory, VDB Entry~~	() https://www.zerodayinitiative.com/advisories/ZDI-21-755/ - Third Party Advisory, VDB Entry

01 Aug 2023, 23:15

Type	Values Removed	Values Added
CVSS	v2 : ~~6.5~~ v3 : ~~8.8~~	v2 : 6.5 v3 : 7.1
Summary	~~Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-31963, CVE-2021-31966.~~	Microsoft SharePoint Server Remote Code Execution Vulnerability

Information

Published : 2021-06-08 23:15

Updated : 2024-11-21 05:56

NVD link : CVE-2021-26420

Mitre link : CVE-2021-26420

CVE.ORG link : CVE-2021-26420

JSON object : View

Products Affected

microsoft

sharepoint_server
sharepoint_foundation
sharepoint_enterprise_server

CWE

NVD-CWE-noinfo

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