CVE-2026-20101

The record

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 packages

Related vulnerabilities

• CVE-2026-114576 A vulnerability has been found in Linksys RE6250 1.0.04.001. CWE-330
• CVE-2026-53939 OpenIDC/cjose is a C library implementing the Javascript Object Signing and Encryption… CWE-330
• CVE-2026-79575 The JWT signing secret in yfexam-exam v2.0 is derived from the username and the current… CWE-330
• CVE-2026-86187 WWBN AVideo generates passwords for external-login accounts using rand() instead of a… CWE-330
• CVE-2026-17274 IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to bypass… CWE-330
• CVE-2026-66047 ProfilePress (wp-user-avatar) WordPress plugin before 4.17.2 contains an unauthenticated… CWE-330
• CVE-2026-81852 Use of Insufficiently Random Values vulnerability in ash-project ash_admin ships a… CWE-330
• CVE-2026-82555 A vulnerability has been found in TOTOLINK N600R 4.3.0cu.7866_B20220506. CWE-330