PT-2026-23030 · Cisco · Cisco Secure Firewall Threat Defense (Ftd)+1

Ada Greymire + 1 · Published 2026-03-04 · Updated 2026-03-04 · CVE-2026-20102

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions Cisco Secure Firewall ASA Software and Cisco Secure Firewall Threat Defense (FTD) Software (affected versions not specified)

Description A flaw exists in the SAML 2.0 single sign-on (SSO) feature that could permit an unauthenticated, remote attacker to perform a cross-site scripting (XSS) attack against the SAML feature and obtain sensitive, browser-based information. This is caused by inadequate validation of multiple HTTP parameters. An attacker could exploit this by convincing a user to access a malicious link, potentially leading to a reflected XSS attack through an affected device.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2026-20102

Affected Products

Cisco Secure Firewall Asa

Cisco Secure Firewall Threat Defense (Ftd)

References · 4

• https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-saml-LktTrwZP · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-20102 · Security Note
• https://twitter.com/CVEnew/status/2029272781993480553 · Twitter Post
• https://twitter.com/VulmonFeeds/status/2029280041670947251 · Twitter Post