CVE-2022-1965 : What You Need to Know
Learn about CVE-2022-1965 affecting CODESYS products, allowing remote attackers to delete files due to improper error handling. Discover impacts, technical details, and mitigation steps.
Multiple products of CODESYS, including Runtime Toolkit and PLCWinNT, are affected by a vulnerability due to improper error handling that can lead to file deletion. This CVE was made public on June 15, 2022, and has a high severity rating.
Understanding CVE-2022-1965
This section provides insights into the nature and impact of the vulnerability.
What is CVE-2022-1965?
The vulnerability in CODESYS products allows a low-privileged remote attacker to delete files by crafting a request that bypasses error handling mechanisms without requiring any user interaction. The affected versions include Runtime Toolkit and PLCWinNT with versions lower than V2.4.7.57.
The Impact of CVE-2022-1965
With a CVSS base score of 8.1 (High severity), the vulnerability poses a significant threat to the availability and integrity of the affected systems. It has a low attack complexity and privileges required, making it easier for attackers to exploit over the network.
Technical Details of CVE-2022-1965
This section delves into the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability arises from improper error handling in the CODESYS products, enabling the deletion of files through crafted requests.
Affected Systems and Versions
The affected platforms include 32-bit systems running CODESYS products such as Runtime Toolkit and PLCWinNT with versions earlier than V2.4.7.57.
Exploitation Mechanism
Attackers can exploit this vulnerability remotely over the network with low privileges, manipulating requests to trigger the improper error handling.
Mitigation and Prevention
To secure systems from CVE-2022-1965, immediate actions and long-term security practices are essential.
Immediate Steps to Take
It is recommended to apply patches or updates provided by CODESYS promptly. Additionally, network segmentation and access controls can help mitigate the risk.
Long-Term Security Practices
Implementing defense-in-depth strategies, regular security assessments, and staying updated on security bulletins can enhance the overall security posture.
Patching and Updates
Regularly monitor for security updates from CODESYS and apply patches to ensure the protection of systems.