Security features bypass in Microsoft Windows and Windows Server - CVE-2021-31970

Vulnerability identifier: #VU53919

CSH Severity: Low

CVSS v4: 6.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-31970

CWE-ID: CWE-254

Exploitation vector: Local access

Exploit availability: No public exploit available

The vulnerability allows a local user to perform a denial of service (DoS) attack..

The vulnerability exists due to security feature bypass issue in Windows TCP/IP Driver. A local user can cause a denial of service condition on the target 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 9.1.0.17, 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

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-31970

• Security features bypass in Microsoft Windows TCP/IP Driver
• Multiple vulnerabilities in Dell EMC Unisphere for PowerMax and Dell EMC Solutions Enabler