Number: AV21-252
Date: 1 June 2021
On 1 June 2021 Cisco published a Security Advisory to address a vulnerability in multiple products:
- Cisco Adaptive Security Appliance (ASA) Software – versions prior to 9.8.4.38, 9.12.4.24, 9.14.3, 9.15.1.15 and 9.16.1.3
- Cisco Content Security Management Appliance (SMA) - versions prior to 13.8.1 and 14.1.0
- Cisco Email Security Appliance (ESA) - versions prior to 14.0.0-692 GD
- Cisco FXOS Software - versions prior to 2.2.2.149, 2.3.1.216, 2.6.1.230, 2.7.1.143, 2.8.1.152 and 2.9.1.143
- Cisco Web Security Appliance (WSA) - versions prior to 14.0.1
- Cisco Firepower Threat Defense (FTD) Software – versions prior to 6.4.0.12, 6.6.5, 6.7.0.2 and 7.0.0
- Cisco Prime Collaboration Assurance – versions prior to 12.1 SP4 ES
Exploitation of this vulnerability could allow an authenticated actor to impersonate another authorized user when interacting with an application.
Cisco has indicated that it is aware of proof-of-concept exploit code available for this vulnerability.
The Cyber Centre encourages users and administrators to review the provided web link and apply the necessary updates when available.
Cisco Security Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-lasso-saml-jun2021-DOXNRLkD
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.