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Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting Vulnerability

cisco-sa-asaftd-saml-LktTrwZP · Medium · Published · Updated

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 (XSS) attack against the SAML feature and access sensitive, browser-based information. This vulnerability is due to insufficient input validation of multiple HTTP parameters. An attacker could exploit this vulnerability by persuading a user to access a malicious link. A successful exploit could allow the attacker to conduct a reflected XSS attack through an affected device. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-saml-LktTrwZP This advisory is part of the March 2026 release of the Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see Cisco Event Response: March 2026 Semiannual Cisco Secure Firewall ASA, Secure FMC, and Secure FTD Software Security Advisory Bundled Publication.

Cisco advisory ·CSAF JSON

Workarounds

There are no workarounds that address this vulnerability.

CVEsCVE-2026-20102
Cisco Bug IDsCSCwp29401
CVSS ScoreBase 6.1
Base 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:X/RL:X/RC:X
Product Names From Source
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.1.28, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.11, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.13, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.2.14, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.14, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.15, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.19, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.3.23, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.14, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.19, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.27, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.38, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.39, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.42, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.48, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.55, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.57, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.16.4.61, Cisco Secure Firewall Adaptive 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Firewall Adaptive Security Appliance (ASA) Software 9.20.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.10, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.13, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.16, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.3.20, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.4.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.20.4.10, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.1.6, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.2, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.2.4, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.2.9, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.22.2.13, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1.3, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1.7, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1.13, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software 9.23.1.19, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.0.1, Cisco Secure Firewall Threat 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Secure Firewall Threat Defense (FTD) Software 7.2.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.0.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.3, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.4, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.4.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.5, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.5.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.6, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.7, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.5.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.8, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.8.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.9, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.10, Cisco Secure Firewall Threat Defense (FTD) Software 7.2.10.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.1.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.3, Cisco Secure Firewall Threat Defense (FTD) Software 7.4.2.4, Cisco Secure Firewall Threat Defense (FTD) Software 7.6.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.6.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.6.2, Cisco Secure Firewall Threat Defense (FTD) Software 7.6.2.1, Cisco Secure Firewall Threat Defense (FTD) Software 7.7.0, Cisco Secure Firewall Threat Defense (FTD) Software 7.7.10, Cisco Secure Firewall Threat Defense (FTD) Software 7.7.10.1, Cisco Secure Firewall Adaptive Security Appliance (ASA) Software, Cisco Secure Firewall Threat Defense (FTD) Software, Cisco Firepower 2100 Series, Cisco Firepower 1000 Series, Cisco ASA 5500-X Series Firewalls, Cisco 3000 Series Industrial Security Appliances (ISA), Cisco Firepower 9000 Series, Cisco Firepower 4100 Series, Cisco Adaptive Security Virtual Appliance (ASAv), Cisco Secure Firewall 3100 Series, Cisco Secure Firewall 4200 Series, Cisco Secure Firewall 1200 Series, Cisco Secure Firewall Threat Defense Virtual

Related Products

Product CVE Evidence
Cisco Secure Firewall Adaptive Security Appliance (ASA) Software CVE-2026-20102 Cisco OpenVuln
Cisco Secure Firewall Threat Defense (FTD) Software CVE-2026-20102 Cisco OpenVuln
Cisco Firepower 2100 Series CVE-2026-20102 Cisco OpenVuln
Cisco Firepower 1000 Series CVE-2026-20102 Cisco OpenVuln
Cisco ASA 5500-X Series Firewalls CVE-2026-20102 Cisco OpenVuln
Cisco 3000 Series Industrial Security Appliances (ISA) CVE-2026-20102 Cisco OpenVuln
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Cisco Adaptive Security Virtual Appliance (ASAv) CVE-2026-20102 Cisco OpenVuln
Cisco Secure Firewall 3100 Series CVE-2026-20102 Cisco OpenVuln
Cisco Secure Firewall 4200 Series CVE-2026-20102 Cisco OpenVuln
Cisco Secure Firewall 1200 Series CVE-2026-20102 Cisco OpenVuln
Cisco Secure Firewall Threat Defense Virtual CVE-2026-20102 Cisco OpenVuln
Cisco Adaptive Security Appliance (ASA) Software CVE-2026-20102 Cisco OpenVuln
Cisco Firepower Threat Defense Software CVE-2026-20102 Cisco OpenVuln
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