CVE-2026-20101 — A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Fi…
Severity: High · Kind: Vulnerability
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From the source
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.
Vulnerability facts
- CVE
- CVE-2026-20101
- CVSS
- 8.6
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