Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2026-20101

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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 35.6%
CVSS Severity
CVSS v3 Score 8.6
Products affected by CVE-2026-20101


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