Cisco security advisory

Number: AV21-304
Date: 29 June 2021

On 28 June 2021 Cisco updated a Security Advisory to address vulnerabilities in the following products:

• Cisco Adaptive Security Appliance (ASA) Software – multiple versions
• Cisco Firepower Threat Defense (FTD) - multiple versions

Exploitation could allow the attacker to execute arbitrary script code in the context of the interface InterfaceA boundary across which two systems communicate. An interface might be a hardware connector used to link to other devices, or it might be a convention used to allow communication between two software systems. or allow the actor to access sensitive, browser-based information.

Cisco has indicated it is aware that public exploit code exists for one of the vulnerabilities, and that the vulnerability VulnerabilityA flaw or weakness in the design or implementation of an information system or its environment that could be exploited to adversely affect an organization's assets or operations. is being actively exploited.

The Cyber Centre encourages users and administrators to review the provided web links and apply the necessary updates.

Cisco Adaptive Security Appliance (ASA) Software and Cisco Firepower Threat Defense (FTD) Software
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-xss-multiple-FCB3vPZe#vp

Note to Readers

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) operates as part of the Communications Security Establishment.  We are Canada’s national authority on cyber security and we lead the government’s response to cyber security events. As Canada's national computer security incident response team, the Cyber Centre works in close collaboration with government departments, critical infrastructure Critical infrastructureProcesses, systems, facilities, technologies, networks, assets, and services essential to the health, safety, security, or economic well-being of Canadians and the effective functioning of government. Critical infrastructure can be stand-alone or interconnected and interdependent within and across provinces, territories, and national borders. Disruptions of critical infrastructure could result in catastrophic loss of life, adverse economic effects, and significant harm to public confidence. , Canadian businesses and international partners to prepare for, respond to, mitigate, and recover from cyber events. We do this by providing authoritative advice and support, and coordinating information sharing and incident response. The Cyber Centre is outward-facing, welcoming partnerships that help build a stronger, more resilient cyber space in Canada.