CVE-2026-20102
A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack against the SAML feature and access sensitive, browser-based information. This vulnerability is due to insufficient input validation of multiple HTTP parameters. An attacker could exploit this vulnerability by persuading a user to access a malicious link. A successful exploit could allow the attacker to conduct a reflected XSS attack through an affected device.
- Score
- CVSS 3.1 6.1 Medium
- Status
- Analyzed - psirt@cisco.com
- Published
- 2026-03-04
- Last modified
- 2026-03-04
- Weaknesses
- CWE-79
Affected products
- Adaptive Security Appliance Software (Cisco)
- Cisco Secure Firewall Adaptive Security Appliance Asa Software (Cisco)
- Cisco Secure Firewall Threat Defense Ftd Software (Cisco)
- Secure Firewall Threat Defense (Cisco)
References
- https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-saml-LktTrwZP
