Main Vulnerability Database Vulnerabilities #VU49434

Information disclosure in Microsoft Windows and Windows Server - CVE-2021-1656

Published: January 12, 2021 / Updated: August 18, 2021

Vulnerability identifier: #VU49434

CSH Severity: Low

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

CVE-ID: CVE-2021-1656

CWE-ID: CWE-200

Exploitation vector: Local access

Exploit availability: Public exploit is available

Vulnerability details

The vulnerability allows a local user to gain access to potentially sensitive information.

The vulnerability exists due to excessive data output by the application in TPM Device Driver. A local user can gain unauthorized access to sensitive information on the system.

Affected software

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

How to mitigate CVE-2021-1656

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

Exploit #6630 - CVE-2021-1656 () (August 18, 2021)

External References

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-1656