8.8

CVE-2021-34520

Microsoft SharePoint Server Remote Code Execution Vulnerability

Microsoft SharePoint Server Remote Code Execution Vulnerability
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Microsoft ≫ Sharepoint Foundation Version2013 Updatesp1
Microsoft ≫ Sharepoint Server Version2016 SwEditionenterprise
Microsoft ≫ Sharepoint Server Version2019
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 4.39% 0.904
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 6.5 8 6.4
AV:N/AC:L/Au:S/C:P/I:P/A:P
NIST 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Microsoft 8.1 2.8 5.2
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N
CWE-502 Deserialization of Untrusted Data

The product deserializes untrusted data without sufficiently ensuring that the resulting data will be valid.

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2021-34520
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