Permissions, Privileges, and Access Controls in Windows and Windows Server - CVE-2020-0854
Published: March 10, 2020
Vulnerability identifier: #VU25956
CSH Severity: Low
CVSS v4.0: 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
CVE-ID: CVE-2020-0854
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vendor: Microsoft
Affected software:
Windows
Windows Server
Windows
Windows Server
Detailed vulnerability description
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.
How to mitigate CVE-2020-0854
Install update from vendor's website.