CVE-2021-22817 : Vulnerability Insights and Analysis
Learn about CVE-2021-22817, a CWE-276 vulnerability in Harmony/Magelis iPC Series and Vijeo Designer, enabling unauthorized access and local privilege escalation. Discover impact, affected systems, and mitigation steps.
A CWE-276 vulnerability in Harmony/Magelis iPC Series and Vijeo Designer prior to specific versions could lead to unauthorized access and local privilege escalation.
Understanding CVE-2021-22817
This CVE involves an Incorrect Default Permissions vulnerability impacting certain versions of Harmony/Magelis iPC Series and Vijeo Designer.
What is CVE-2021-22817?
CVE-2021-22817 is a vulnerability related to Incorrect Default Permissions that allows unauthorized users to access the base installation directory, potentially resulting in local privilege escalation.
The Impact of CVE-2021-22817
The vulnerability could be exploited by attackers to gain unauthorized access to sensitive system directories and escalate their privileges locally.
Technical Details of CVE-2021-22817
This section provides specific technical details about the vulnerability.
Vulnerability Description
The CWE-276 vulnerability allows unauthorized access to the base installation directory, posing a risk of local privilege escalation.
Affected Systems and Versions
Harmony/Magelis iPC Series (All Versions), Vijeo Designer (All Versions prior to V6.2 SP11 Multiple HotFix 4), Vijeo Designer Basic (All Versions prior to V1.2.1) are affected by this vulnerability.
Exploitation Mechanism
Attackers can exploit this vulnerability to access critical directories and potentially escalate their privileges on the local system.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-22817, it is crucial to take immediate action and implement long-term security measures.
Immediate Steps to Take
Immediately apply security patches provided by the vendor and restrict access to vulnerable systems to authorized personnel only.
Long-Term Security Practices
Regularly update and patch software, enforce the principle of least privilege, conduct security training for employees, and monitor system activity for any suspicious behavior.
Patching and Updates
Stay informed about security updates from the vendor and ensure all relevant patches are applied promptly.