RISK EVALUATION. Successful exploitation of these vulnerabilities could allow an unauthenticated attacker to gain full access to the system, disclose sensitive information, or access hidden resources.
EuroTel ETL3100 versions v01c01 and v01x37 does not limit the number of attempts to guess administrative credentials in remote password attacks to gain full control of the system.
CVE-2023-6928 has been assigned to this vulnerability.
EuroTel ETL3100 versions v01c01 and v01x37 are vulnerable to insecure direct object references that occur when the application provides direct access to objects based on user-supplied input.
As a result of this vulnerability, attackers can bypass authorization, access the hidden resources on the system, and execute privileged functionalities.
CVE-2023-6929 has been assigned to this vulnerability.
EuroTel ETL3100 versions v01c01 and v01x37 suffer from an unauthenticated configuration and log download vulnerability.
CVE-2023-6930 has been assigned to this vulnerability.
3.3 BACKGROUND 3.4 RESEARCHER. CISA discovered a public proof of concept as authored by Gjoko Krstic.
MITIGATIONS. EuroTel has not responded to requests to work with CISA to mitigate these vulnerabilities.
Users of affected versions of ETL3100 are invited to contact EuroTel customer support for additional information.
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.
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, 19 Dec 2023 17:10:05 +0000