Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2021-26882

 

Permissions, Privileges, and Access Controls in Microsoft Windows and Windows Server - CVE-2021-26882

Published: March 9, 2021 / Updated: July 14, 2021


Vulnerability identifier: #VU51308
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-2021-26882
CWE-ID: CWE-264
Exploitation vector: Local access
Exploit availability: Public exploit is available

Vulnerability details

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

The vulnerability exists due to application does not properly impose security restrictions in the Windows Remote Access API, which leads to security restrictions bypass and privilege escalation.


Affected software

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

How to mitigate CVE-2021-26882

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

Links to Public Exploits and PoC-codes

External References

Related Security Bulletins