CVE-2021-21552 : Vulnerability Insights and Analysis

This CVE-2021-21552 article provides insights into an improper authorization vulnerability found in Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier. Learn about the impact, technical details, and mitigation strategies associated with this CVE.

Understanding CVE-2021-21552

CVE-2021-21552 is a vulnerability identified in Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and prior. It allows a local authenticated malicious user with low privileges to bypass restrictions and conduct unauthorized actions on the affected system.

What is CVE-2021-21552?

The vulnerability in Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier enables a local authenticated attacker with limited privileges to exploit improper authorization, leading to unauthorized actions within the system.

The Impact of CVE-2021-21552

With a CVSS base score of 5.2 (Medium severity), CVE-2021-21552 poses a threat by allowing low-privileged users to manipulate the environment and perform unauthorized actions, compromising system integrity.

Technical Details of CVE-2021-21552

The technical details of CVE-2021-21552 encompass the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability arises due to improper authorization in Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and earlier, enabling local authenticated users with limited privileges to bypass restrictions and execute unauthorized actions.

Affected Systems and Versions

Dell Wyse Windows Embedded System versions WIE10 LTSC 2019 and below are impacted by CVE-2021-21552, potentially exposing systems to exploitation by malicious users.

Exploitation Mechanism

The exploitation of CVE-2021-21552 involves a local authenticated attacker with low privileges leveraging the improper authorization vulnerability to circumvent security measures and perform unauthorized actions.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-21552, immediate steps need to be taken along with adopting long-term security practices and ensuring timely patching and updates.

Immediate Steps to Take

Organizations should restrict user privileges, monitor system activity, and apply security updates promptly to address the CVE-2021-21552 vulnerability.

Long-Term Security Practices

Implementing strong access control policies, regular security audits, and user training on best security practices are essential for enhancing long-term security against CVE-2021-21552.

Patching and Updates

Installing security patches released by Dell for the affected Wyse Windows Embedded System versions is crucial to close the vulnerability gap and protect systems from potential exploitation.