CVE-2021-22396 Explained : Impact and Mitigation
Learn about CVE-2021-22396, a privilege escalation vulnerability in Huawei products allowing unauthorized access by local attackers. Find out about impact, affected versions, and mitigation steps.
A privilege escalation vulnerability has been identified in some Huawei products, leading to potential unauthorized access by local attackers and subsequent privilege escalation.
Understanding CVE-2021-22396
This CVE pertains to a privilege escalation vulnerability in specific Huawei products, potentially allowing unauthorized access to certain files.
What is CVE-2021-22396?
CVE-2021-22396 is a vulnerability in Huawei products that results from improper privilege management. Local attackers with common privileges could exploit this issue to access specific files, leading to privilege escalation.
The Impact of CVE-2021-22396
Successful exploitation of CVE-2021-22396 can result in privilege escalation, posing a security risk to affected systems and data.
Technical Details of CVE-2021-22396
This section covers the technical specifics of the vulnerability, including its description, affected systems, versions, and exploitation mechanisms.
Vulnerability Description
The vulnerability arises from inadequate privilege management in Huawei products, enabling local attackers to access critical files and elevate their privileges.
Affected Systems and Versions
Products affected by CVE-2021-22396 include eCNS280_TD versions V100R005C00 and V100R005C10, along with eSE620X vESS versions V100R001C10SPC200 and V100R001C20SPC200.
Exploitation Mechanism
Attackers exploiting this vulnerability leverage improper privilege handling to gain unauthorized access and elevate their privileges within affected Huawei products.
Mitigation and Prevention
Learn how to address and prevent vulnerabilities like CVE-2021-22396 through immediate actions and long-term security practices.
Immediate Steps to Take
To mitigate the risk posed by CVE-2021-22396, users should promptly apply security patches and follow recommended security practices.
Long-Term Security Practices
Implementing robust security measures, such as regular security updates, access controls, and privilege management, can enhance the long-term security posture of affected systems.
Patching and Updates
Stay informed about security updates and patches released by Huawei to address CVE-2021-22396 and other vulnerabilities.