CVE-2022-34836 Explained : Impact and Mitigation

A Relative Path Traversal vulnerability has been identified in ABB Zenon 8.20 which allows unauthorized access to files on the Zenon system. This CVE impacts ABB Zenon, affecting versions less than or equal to 8.20. Read on to understand the impact, technical details, and mitigation strategies for CVE-2022-34836.

Understanding CVE-2022-34836

This section provides insights into the vulnerability and its implications.

What is CVE-2022-34836?

The Relative Path Traversal vulnerability in ABB Zenon 8.20 allows attackers to access files on the Zenon system and potentially manipulate log entries. Upon exploitation, threat actors could view Zenon runtime activities such as error codes and activity status.

The Impact of CVE-2022-34836

With a CVSSv3.1 base score of 5.9, this vulnerability has a medium severity rating. It poses a high risk to confidentiality, allowing unauthorized users to access sensitive information. Although the integrity impact is low and availability impact is none, the attack complexity is high, making it crucial to address.

Technical Details of CVE-2022-34836

Explore the specific technical aspects of the vulnerability below.

Vulnerability Description

The vulnerability arises from the inability to properly restrict file access in ABB Zenon 8.20, enabling threat actors to navigate the system and manipulate log entries.

Affected Systems and Versions

ABB Zenon versions less than or equal to 8.20 are susceptible to this exploitation. Users of these versions are advised to take immediate action.

Exploitation Mechanism

By exploiting the Relative Path Traversal vulnerability, attackers are able to view and modify files on the Zenon system, potentially disrupting critical system operations.

Mitigation and Prevention

Learn how to mitigate the risks associated with CVE-2022-34836 and secure your systems.

Immediate Steps to Take

It is recommended to apply security patches provided by ABB promptly to address the vulnerability and prevent unauthorized access.

Long-Term Security Practices

Maintain regular security updates and monitor system logs for any suspicious activities. Implement access controls to restrict unauthorized access to sensitive files.

Patching and Updates

Stay informed about the release of patches and updates for ABB Zenon to ensure that your system is protected from potential malicious exploits.