Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2020-0843

Vulnerability identifier: #VU25977

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-2020-0843

CWE-ID: CWE-264

Exploitation vector: Local access

Exploit availability: No public exploit available

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

The vulnerability exists due to the way Windows Installer handles certain filesystem operations. A local user can escalate privileges on the system.

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

Install updates from vendor's website.

Solutions Enabler Virtual Appliance - addressed in versions 9.0.0.19, 9.1.0.6
Solutions Enabler - addressed in versions 9.0.0.19, 9.1.0.6
Unisphere for PowerMax Virtual Appliance - addressed in versions 9.0.2.18, 9.1.0.17
Unisphere for PowerMax - addressed in versions 9.0.2.18, 9.1.0.17

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0843

• Privilege escalation in Windows Installer
• Multiple vulnerabilities in Dell EMC Unisphere for PowerMax and Dell EMC Solutions Enabler