Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2020-16940

 

Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2020-16940

Published: October 13, 2020


Vulnerability identifier: #VU47623
CSH Severity: Low
CVSS v4: 8.5 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-16940
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to the way Windows User Profile Service (ProfSvc) handles junction points. A local user can create a malicious application, launch it on the system and delete files and folders in an elevated context.

To exploit this vulnerability, an attacker would first have to log on to the system.


Affected software

Microsoft Windows
Windows Server
Solutions Enabler Virtual Appliance
Solutions Enabler
Unisphere for PowerMax Virtual Appliance
Unisphere for PowerMax

How to mitigate CVE-2020-16940

Install update from vendor's website.

Solutions Enabler Virtual Appliance - addressed in versions 9.1.0.17, 9.2.2.0
Solutions Enabler - addressed in versions 9.1.0.17, 9.2.2.0
Unisphere for PowerMax Virtual Appliance - addressed in versions 9.1.0.28, 9.2.2.2
Unisphere for PowerMax - addressed in versions 9.1.0.28, 9.2.2.2

External References

Related Security Bulletins