CVE-2021-34520

Microsoft SharePoint Server Remote Code Execution Vulnerability

CVSS v3 8.1 HIGH
CVSS v2.0 6.5 MEDIUM

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.8 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact NONE

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-2021-34520	Patch Vendor Advisory
https://www.zerodayinitiative.com/advisories/ZDI-21-828/	Third Party Advisory VDB Entry

Configurations

Configuration 1 (hide)

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

History

No history.

Information

Published : 2021-07-14 18:15

Updated : 2023-12-28 23:15

NVD link : CVE-2021-34520

Mitre link : CVE-2021-34520

CVE.ORG link : CVE-2021-34520

JSON object : View

Products Affected

microsoft

sharepoint_server
sharepoint_foundation

CWE

CWE-502

Deserialization of Untrusted Data

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