Permissions, Privileges, and Access Controls in Microsoft SharePoint Foundation and Microsoft SharePoint Server - CVE-2020-17089
Published: December 8, 2020
Vulnerability identifier: #VU48841
CSH Severity: Medium
CVSS v4: 7.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-17089
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to escalate privileges on the system.
The vulnerability exists due to application does not properly impose security restrictions in Microsoft SharePoint, which leads to security restrictions bypass and privilege escalation.
Affected software
Microsoft SharePoint Foundation
Microsoft SharePoint Server
Microsoft SharePoint Server
How to mitigate CVE-2020-17089
Install updates from vendor's website.