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 (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.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-saml-LktTrwZP	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:cisco:adaptive_security_appliance_software::::::::
	cpe:2.3:o:cisco:adaptive_security_appliance_software::::::::
	cpe:2.3:o:cisco:adaptive_security_appliance_software::::::::
	cpe:2.3:o:cisco:adaptive_security_appliance_software::::::::
	cpe:2.3:o:cisco:adaptive_security_appliance_software::::::::

Configuration 2 (hide)

OR	cpe:2.3:a:cisco:secure_firewall_threat_defense::::::::
	cpe:2.3:a:cisco:secure_firewall_threat_defense::::::::
	cpe:2.3:a:cisco:secure_firewall_threat_defense::::::::
	cpe:2.3:a:cisco:secure_firewall_threat_defense::::::::

History

No history.

Information

Published : 2026-03-04 18:16

Updated : 2026-08-11 19:40

NVD link : CVE-2026-20102

Mitre link : CVE-2026-20102

CVE.ORG link : CVE-2026-20102

JSON object : View

Products Affected

cisco

secure_firewall_threat_defense
adaptive_security_appliance_software

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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Un exploit exitoso podr\u00eda permitir al atacante realizar un ataque XSS reflejado a trav\u00e9s de un dispositivo afectado."}], "lastModified": "2026-08-11T19:40:47.230", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "607EC994-8748-4BD6-9FBA-9C629EEFE20E", "versionEndExcluding": "9.16.4.89", "versionStartIncluding": "9.16.1"}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "A8F5D95D-6E80-42D2-BF57-8B3B600D6B40", "versionEndExcluding": "9.18.4.71", "versionStartIncluding": "9.17.1"}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EBAD7362-E8E2-4618-89CA-50E9B0102651", "versionEndExcluding": "9.20.4.19", "versionStartIncluding": "9.20.1"}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "279FE4E6-C208-48E2-9B07-DCB121C59A08", "versionEndExcluding": "9.22.2.32", "versionStartIncluding": "9.22.1.1"}, {"criteria": "cpe:2.3:o:cisco:adaptive_security_appliance_software:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "67082150-477F-4B2E-B880-069D05875DC3", "versionEndExcluding": "9.23.1.26", "versionStartIncluding": "9.23.1"}], "operator": "OR"}]}, {"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "1AAB4AE2-3E04-4B9A-8B42-C3B9C21DC928", "versionEndExcluding": "7.0.9", "versionStartIncluding": "7.0.0"}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F2E5D82E-E596-48CD-AFBB-3FB39F6684A1", "versionEndExcluding": "7.2.11", "versionStartIncluding": "7.1.0"}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9B54A8A6-8992-407A-9416-F7A93C74CC91", "versionEndExcluding": "7.4.3", "versionStartIncluding": "7.4.0"}, {"criteria": "cpe:2.3:a:cisco:secure_firewall_threat_defense:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B34F652F-65D9-41B6-9EB5-9DC3A1DB944F", "versionEndExcluding": "10.0.0", "versionStartIncluding": "7.6.0"}], "operator": "OR"}]}], "sourceIdentifier": "psirt@cisco.com"}