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 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 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 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, 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.