Security features bypass in Microsoft Windows and Windows Server - CVE-2021-26414

Vulnerability identifier: #VU53917

CSH Severity: Medium

CVSS v4: 5.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N]

CVE-ID: CVE-2021-26414

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 DCOM Server. A remote authenticated attacker can gain elevated privileges on the target system.

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

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
Gaia - update to R81.10 Take 55

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-26414

• Security features bypass in Microsoft Windows DCOM Server
• Multiple vulnerabilities in Dell EMC Unisphere for PowerMax and Dell EMC Solutions Enabler
• Multiple vulnerabilities in Check Point Gaia