CVE-2022-30792 : Vulnerability Insights and Analysis
Learn about CVE-2022-30792, a CODESYS vulnerability allowing unauthenticated attackers to block communication channels. Discover impact, affected systems, and mitigation steps.
This article provides an overview of CVE-2022-30792, a vulnerability in CODESYS affecting multiple versions. It discusses the impact, technical details, and mitigation strategies.
Understanding CVE-2022-30792
CVE-2022-30792 is a vulnerability in CODESYS that allows unauthenticated attackers to block communication channel connections, leading to resource consumption.
What is CVE-2022-30792?
In the affected versions of CODESYS, an unauthorized attacker can block new communication channels, causing an uncontrolled resource consumption.
The Impact of CVE-2022-30792
The vulnerability has a CVSS base score of 7.5, indicating a high severity level with a significant impact on availability. Existing connections are not affected.
Technical Details of CVE-2022-30792
The vulnerability exists in CmpChannelServer of CODESYS V3 in multiple versions, allowing attackers to block all available communication channels.
Vulnerability Description
An uncontrolled resource consumption issue in CODESYS V3 enables unauthorized attackers to disrupt communication channels.
Affected Systems and Versions
Multiple CODESYS products, including Control RTE, Control Win, Gateway, and various toolkits, are impacted, with specific versions such as V3.5.18.20 and V3.5.18.10 being vulnerable.
Exploitation Mechanism
The vulnerability can be exploited via a network with low attack complexity, requiring no user interaction.
Mitigation and Prevention
To address CVE-2022-30792, immediate steps should be taken to secure CODESYS installations and implement long-term security practices.
Immediate Steps to Take
Organizations should apply patches, monitor communication channels, and restrict network access to mitigate the risk.
Long-Term Security Practices
Regular security updates, network segmentation, and access control measures can help prevent similar vulnerabilities in the future.
Patching and Updates
Vendor-provided patches should be applied promptly to update affected CODESYS products to secure versions.