RISK EVALUATION. Successful exploitation of these vulnerabilities could allow an attacker to obtain sensitive information or force the system to restart.
A remote, unauthenticated attacker may be able to send crafted messages to the web server of the Commend WS203VICM causing the system to restart, interrupting service.
CVE-2024-22182 has been assigned to this vulnerability.
A CVSS v3.1 base score of 8.6 has been calculated; the CVSS vector string is.
A remote attacker may be able to bypass access control of Commend WS203VICM by creating a malicious request.
CVE-2024-21767 has been assigned to this vulnerability.
A CVSS v3.1 base score of 9.4 has been calculated; the CVSS vector string is.
A weak encoding is used to transmit credentials for WS203VICM. CVE-2024-23492 has been assigned to this vulnerability.
A CVSS v3.1 base score of 5.7 has been calculated; the CVSS vector string is.
MITIGATIONS. Although this is an end-of-life product, Commend has created new firmware version WS-CM 2.0 to address the first two issues.
Minimize network exposure for all control system devices and/or systems, ensuring they are not accessible from the internet.
Locate control system networks and remote devices behind firewalls and isolating them from business networks.
When remote access is required, use more secure methods, such as virtual private networks, recognizing VPNs may have vulnerabilities and should be updated to the most current version available.
CISA reminds organizations to perform proper impact analysis and risk assessment prior to deploying defensive measures.
CISA also provides a section for control systems security recommended practices on the ICS webpage on cisa.
Several CISA products detailing cyber defense best practices are available for reading and download, including Improving Industrial Control Systems Cybersecurity with Defense-in-Depth Strategies.
CISA encourages organizations to implement recommended cybersecurity strategies for proactive defense of ICS assets.
Additional mitigation guidance and recommended practices are publicly available on the ICS webpage at cisa.
Organizations observing suspected malicious activity should follow established internal procedures and report findings to CISA for tracking and correlation against other incidents.
No known public exploitation specifically targeting these vulnerabilities has been reported to CISA at this time.
This Cyber News was published on www.cisa.gov. Publication date: Tue, 20 Feb 2024 17:13:07 +0000