Security Features in Microsoft Windows and Windows Server - CVE-2021-1674

Vulnerability identifier: #VU49482

CSH Severity: Medium

CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-1674

CWE-ID: CWE-254

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to security feature bypass issue in Windows Remote Desktop Protocol Core. A remote authenticated attacker can gain unauthorized access to the application.

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-2021-1674

• Security Features in Microsoft Windows Remote Desktop Protocol Core
• Multiple vulnerabilities in Dell EMC Unisphere for PowerMax and Dell EMC Solutions Enabler