Alert - Cyber activity impacting CISCO ASA devices

Audience

This Alert is intended for IT professionals and managers of notified organizations.

Purpose

An Alert is used to raise awareness of a recently identified cyber threat Cyber threatA threat actor, using the internet, who takes advantage of a known vulnerability in a product for the purposes of exploiting a network and the information the network carries. that may impact cyber information assets, and to provide additional detection DetectionThe monitoring and analyzing of system events in order to identify unauthorized attempts to access system resources. and mitigation advice to recipients.

Details

On April 24, 2024, the Canadian Centre for Cyber Security Cyber securityThe protection of digital information, as well as the integrity of the infrastructure housing and transmitting digital information. More specifically, cyber security includes the body of technologies, processes, practices and response and mitigation measures designed to protect networks, computers, programs and data from attack, damage or unauthorized access so as to ensure confidentiality, integrity and availability. (Cyber Centre), Australian Signals Directorate's Australian Cyber Security Centre and The UK's National Cyber Security Centre (NCSC) released a joint Cyber Security Advisory^{Footnote 1} to bring awareness of newly published information by Cisco on the vulnerabilities exploited in recent incidents worldwide.

On the same day, Cisco Talos published a blog post^{Footnote 2} containing the latest technical details of these vulnerabilities affecting Cisco ASA devices, as well as information on two additional newly discovered vulnerabilities (CVE-2024-20353^{Footnote 3} and CVE-2024-20359^{Footnote 4}) leveraged during these incidents.

Please refer to these documents for additional details and recommendations.