What is CVE-2026-20102?

CVE-2026-20102 is a medium-severity vulnerability in Cisco Secure Firewall Adaptive Security Appliance (Asa) Software, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-04.

How severe is CVE-2026-20102?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cisco Secure Firewall Adaptive Security Appliance (Asa) Software

CVE-2026-20102

A vulnerability in the SAML 2.0 single sign-on (SSO) feature of Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense (FTD) Software could allow an unauthenticated, remote attacker to conduct a cross-site scripting (X…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cisco Secure Firewall Adaptive Security Appliance (Asa) Software — versions 9.16.1, 9.16.1.28, 9.16.2
Cisco Secure Firewall Threat Defense (Ftd) Software — versions 7.0.0, 7.0.0.1, 7.0.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

cisco-sa-asaftd-saml-LktTrwZP

Frequently asked questions

What is CVE-2026-20102?: CVE-2026-20102 is a medium-severity vulnerability in Cisco Secure Firewall Adaptive Security Appliance (Asa) Software, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-04.
How severe is CVE-2026-20102?: Medium severity. CVSS v3 base score is 6.1 out of 10.