SB2023021512 - Remote code execution in Microsoft SharePoint Server
Published: February 15, 2023
Security Bulletin ID
SB2023021512
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Improper access control (CVE-ID: CVE-2023-21717)
CWE-ID: CWE-284 - Improper Access Control
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote user to compromise the affected system.
The vulnerability exists due to improper access restrictions. A remote user with Manage List permissions can bypass implemented security restrictions and execute arbitrary code on the system.
Remediation
Install update from vendor's website.