Vulnerability CVE-2021-34520
Published: 2021-07-14

Description:
Microsoft SharePoint Server Remote Code Execution Vulnerability This CVE ID is unique from CVE-2021-34467, CVE-2021-34468.

Type:

CWE-502

 (Deserialization of Untrusted Data)

CVSS2 => (AV:N/AC:L/Au:S/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.5/10
6.4/10
8/10
Exploit range
Attack complexity
Authentication
Remote
Low
Single time
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
Microsoft -> Sharepoint foundation 
Microsoft -> Sharepoint server 

 References:
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-34520
https://www.zerodayinitiative.com/advisories/ZDI-21-828/
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