CVE-2023-3663 : Security Advisory and Response
Learn about CVE-2023-3663 affecting CODESYS Development System, enabling remote attackers to manipulate notifications via HTTP. High severity level with no privileges required for exploitation.
This CVE-2023-3663 involves a vulnerability in the CODESYS Development System that could potentially be exploited by an unauthenticated remote attacker to manipulate notifications received via HTTP by the CODESYS notification server.
Understanding CVE-2023-3663
This section dives deeper into the details and impact of CVE-2023-3663.
What is CVE-2023-3663?
In CODESYS Development System versions ranging from 3.5.11.20 to before 3.5.19.20, a missing integrity check presents a security risk. This vulnerability allows an attacker to tamper with the content of notifications transmitted via HTTP through the CODESYS notification server.
The Impact of CVE-2023-3663
The vulnerability's CVSS v3.1 base score of 8.8 signifies a high severity level. With a low attack complexity and network-based vector, the confidentiality, integrity, and availability of affected systems are at high risk. No privileges are required to exploit this vulnerability, although user interaction is essential for successful exploitation.
Technical Details of CVE-2023-3663
Exploring the vulnerability's technical aspects and implications.
Vulnerability Description
The flaw lies in the absence of an integrity check in CODESYS Development System versions, leaving notifications susceptible to unauthorized manipulation by remote attackers.
Affected Systems and Versions
The impacted product is the CODESYS Development System by CODESYS. Versions from 3.5.11.20 up to but not including 3.5.19.20 are vulnerable to this integrity check bypass.
Exploitation Mechanism
An unauthenticated remote attacker can exploit this vulnerability to alter the content of notifications delivered via HTTP through the CODESYS notification server.
Mitigation and Prevention
Understanding how to address and mitigate the risks associated with CVE-2023-3663.
Immediate Steps to Take
It is crucial to apply security patches or updates provided by CODESYS promptly to address this vulnerability. Additionally, monitoring and restricting network access to the affected systems can help reduce the risk of exploitation.
Long-Term Security Practices
Regular security assessments, implementing network segmentation, and ensuring secure coding practices can enhance the overall cybersecurity posture to prevent similar vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from CODESYS and apply patches as soon as they are released to mitigate the CVE-2023-3663 vulnerability effectively. Regularly updating software and implementing security best practices are essential for maintaining a secure environment.