CVE-2026-20102 (GCVE-0-2026-20102)
Vulnerability from cvelistv5 – Published: 2026-03-04 17:52 – Updated: 2026-03-04 18:09
VLAI?
Title
Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software SAML Reflected Cross-Site Scripting Vulnerability
Summary
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.
Severity ?
6.1 (Medium)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
Impacted products
| Vendor | Product | Version | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Cisco | Cisco Secure Firewall Adaptive Security Appliance (ASA) Software |
Affected:
9.16.1
Affected: 9.16.1.28 Affected: 9.16.2 Affected: 9.16.2.3 Affected: 9.16.2.7 Affected: 9.17.1 Affected: 9.16.2.11 Affected: 9.16.2.13 Affected: 9.16.2.14 Affected: 9.17.1.7 Affected: 9.17.1.9 Affected: 9.17.1.10 Affected: 9.17.1.11 Affected: 9.17.1.13 Affected: 9.17.1.15 Affected: 9.17.1.20 Affected: 9.17.1.30 Affected: 9.17.1.33 Affected: 9.17.1.39 Affected: 9.17.1.45 Affected: 9.17.1.46 Affected: 9.23.1.13 Affected: 9.20.4.7 Affected: 9.22.2.13 Affected: 9.18.4.66 Affected: 9.20.4.10 Affected: 9.23.1.19 Affected: 9.18.4.67 |
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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