Tracker / CVE-2026-20101
CVE-2026-20101
High 8.6
A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Secure FTD Software could allow an unauthenticated, remote attacker to cause the device to reload unexpectedly, resulting in a DoS condition. This vulnerability is due to insufficient error checking when processing SAML messages. An attacker could exploit this vulnerability by sending crafted SAML messages to the SAML service. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.
Affected products and versions
| cisco | adaptive_security_appliance_software · 9.12.1 → 9.16.4.85 |
|---|---|
| cisco | adaptive_security_appliance_software · 9.17.1 → 9.18.4.66 |
| cisco | adaptive_security_appliance_software · 9.19.1 → 9.20.4 |
| cisco | adaptive_security_appliance_software · 9.22.1.1 → 9.22.2.4 |
| cisco | adaptive_security_appliance_software · 9.23.1 → 9.23.1.7 |
| cisco | secure_firewall_threat_defense · 6.4.0 → 7.0.9 |
| cisco | secure_firewall_threat_defense · 7.1.0 → 7.2.11 |
| cisco | secure_firewall_threat_defense · 7.3.0 → 7.4.3 |
| cisco | secure_firewall_threat_defense · 7.6.0 → 7.6.4 |
| cisco | secure_firewall_threat_defense · 7.7.0 → 7.7.11 |
Analysis
This page is not indexable yet.Until it carries original analysis — what it actually exposes, how to check in two minutes whether a system was touched, what to do if it was — the page stays noindex. The database decides that, not the template.