SB2020031044 - Privilege escalation in Microsoft Windows Mobile Device Management Diagnostics
Published: March 10, 2020
Security Bulletin ID
SB2020031044
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0854)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows Mobile Device Management (MDM) Diagnostics handles junctions. A local user can create a malicious application, launch it on the system and bypass access restrictions to delete files.
To exploit this vulnerability, an attacker would first have to log on to the system.
Remediation
Install update from vendor's website.