CVE-2023-37545 : What You Need to Know
Learn about CVE-2023-37545 affecting multiple CODESYS products due to improper input validation in CmpApp component. Mitigation strategies included.
A detailed overview of the vulnerability affecting multiple CODESYS products due to improper input validation in the CmpApp component.
Understanding CVE-2023-37545
This section delves into the impact, technical details, and mitigation strategies related to CVE-2023-37545.
What is CVE-2023-37545?
The vulnerability in multiple CODESYS products occurs after successful user authentication, enabling crafted network requests to trigger the CmpApp component to read from an invalid address. This flaw could result in a denial-of-service scenario.
The Impact of CVE-2023-37545
The vulnerability poses a medium severity risk with a base score of 6.5, potentially leading to denial-of-service attacks. The attack complexity is low with high availability impact.
Technical Details of CVE-2023-37545
This section outlines specific technical aspects of the vulnerability.
Vulnerability Description
Crafted network requests with inconsistent content post-authentication can trigger the CmpApp component to read from an invalid address, opening avenues for a denial-of-service incident.
Affected Systems and Versions
Multiple CODESYS products are impacted, including CODESYS Control for Raspberry Pi, PFC100, PLCnext, and more, with versions less than V4.10.0.0.
Exploitation Mechanism
By exploiting the flaw in the CmpApp component through network communication, attackers can induce a denial-of-service condition on affected CODESYS systems.
Mitigation and Prevention
This section covers immediate steps and long-term security measures to safeguard against CVE-2023-37545.
Immediate Steps to Take
Users are advised to apply patches, update affected systems to versions V4.10.0.0 or higher, and monitor network activity for suspicious traffic.
Long-Term Security Practices
Regular security assessments, network monitoring, and user awareness training can enhance the overall cyber resilience of CODESYS environments.
Patching and Updates
CODESYS recommends applying the latest patches and updates to address the vulnerability in the CmpApp component.