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CVE-2026-20101

Secure Firewall ASA Software - SAML 2.0 SSO

Cisco CVSS 8.6 Updated March 16, 2026

Executive Risk Summary

"A vulnerability in the SAML 2.0 single sign-on feature of Cisco Secure Firewall ASA 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."

Operational Audit Arsenal

Target Type Firmware
Target Asset ASA Software
Standard Path Firmware Image

Manual Verification Required

This is a non-Windows asset (Cisco). Use the target asset details and official path provided above to verify your current version against the official vendor advisories listed below.

Patch Impact Forecast

Reboot Required Likely

High

Internal Work Notes

CVE-2026-20101: SAML 2.0 SSO vulnerability in Cisco Secure Firewall ASA Software, potential for DoS condition, requires firmware update and reboot

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