The Cybersecurity and Infrastructure Agency (CISA) has published an Alert confirming that Cisco has released security updates to its firewall platforms. The releases apply to Cisco’s ArcaneDoor zero-day vulnerabilities applicable to Cisco’s Adaptive Security Appliances devices and its Firepower Threat Defense software.

The exploitation of CVE 2024-20353 and CVE-2024-20359 has been confirmed, and the identified vulnerabilities have been added to its Known Exploited Vulnerabilities Catalog.

Cisco “strongly encourages users and administrators to apply the updates, hunt for any malicious activity, report positive findings to CISA,” and review articles previously published on ArcaneDoor.

Photo of Linn Foster Freedman Linn Foster Freedman

Linn Freedman practices in data privacy and security law, cybersecurity, and complex litigation. She is a member of the Business Litigation Group and the Financial Services Cyber-Compliance Team, and chairs the firm’s Data Privacy and Security and Artificial Intelligence Teams. Linn focuses her…

Linn Freedman practices in data privacy and security law, cybersecurity, and complex litigation. She is a member of the Business Litigation Group and the Financial Services Cyber-Compliance Team, and chairs the firm’s Data Privacy and Security and Artificial Intelligence Teams. Linn focuses her practice on compliance with all state and federal privacy and security laws and regulations. She counsels a range of public and private clients from industries such as construction, education, health care, insurance, manufacturing, real estate, utilities and critical infrastructure, marine and charitable organizations, on state and federal data privacy and security investigations, as well as emergency data breach response and mitigation. Linn is an Adjunct Professor of the Practice of Cybersecurity at Brown University and an Adjunct Professor of Law at Roger Williams University School of Law.  Prior to joining the firm, Linn served as assistant attorney general and deputy chief of the Civil Division of the Attorney General’s Office for the State of Rhode Island. She earned her J.D. from Loyola University School of Law and her B.A., with honors, in American Studies from Newcomb College of Tulane University. She is admitted to practice law in Massachusetts and Rhode Island. Read her full rc.com bio here.