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CVE PROGRAM SOURCE RECORD6.1 Medium

CVE-2026-20070

Cisco Secure Firewall Adaptive Security Appliance and Secure Firewall Threat Defense Software VPN Web Services Cross-Site Scripting Vulnerability

Description

A vulnerability in the VPN web services component of Cisco Secure Firewall Adaptive Security Appliance (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 a browser that is accessing an affected device.  This vulnerability is due to improper validation of user-supplied input in HTTP requests. An attacker could exploit this vulnerability by persuading a user to follow a link to a malicious website that is designed to submit malicious input to the affected application. A successful exploit could allow the attacker to execute arbitrary HTML or script code in the browser in the context of the VPN web server.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Cisco Cisco Secure Firewall Adaptive Security Appliance (ASA) Software

Default version status: unknown

  • 9.12.3affected
  • 9.12.1affected
  • 9.12.2affected
  • 9.12.4affected
  • 9.12.3.2affected
  • 9.12.3.7affected
  • 9.12.2.5affected
  • 9.12.3.12affected
  • 9.12.1.3affected
  • 9.12.2.4affected
  • 9.12.1.2affected
  • 9.12.2.9affected
  • 9.12.3.9affected
  • 9.12.2.1affected
  • 9.12.4.2affected
  • 9.12.4.4affected
  • 9.12.4.7affected
  • 9.12.4.8affected
  • 9.12.4.10affected
  • 9.12.4.13affected
  • 9.12.4.18affected
  • 9.12.4.24affected
  • 9.16.1affected
  • 9.12.4.26affected
  • 9.16.1.28affected
  • 9.12.4.29affected
  • 9.16.2affected
  • 9.12.4.30affected
  • 9.16.2.3affected
  • 9.12.4.35affected
  • 9.16.2.7affected
  • 9.12.4.37affected
  • 9.17.1affected
  • 9.16.2.11affected
  • 9.16.2.13affected
  • 9.12.4.39affected
  • 9.12.4.38affected
  • 9.16.2.14affected
  • 9.17.1.7affected
  • 9.12.4.40affected
  • 9.16.3.3affected
  • 9.16.3affected
  • 9.16.3.14affected
  • 9.17.1.9affected
  • 9.12.4.41affected
  • 9.17.1.10affected
  • 9.18.1affected
  • 9.12.4.47affected
  • 9.16.3.15affected
  • 9.18.1.3affected
  • 9.17.1.11affected
  • 9.12.4.48affected
  • 9.18.2affected
  • 9.16.3.19affected
  • 9.17.1.13affected
  • 9.12.4.50affected
  • 9.17.1.15affected
  • 9.12.4.52affected
  • 9.16.3.23affected
  • 9.18.2.5affected
  • 9.16.4affected
  • 9.12.4.54affected
  • 9.17.1.20affected
  • 9.18.2.7affected
  • 9.19.1affected
  • 9.16.4.9affected
  • 9.12.4.55affected
  • 9.18.2.8affected
  • 9.16.4.14affected
  • 9.18.3affected
  • 9.19.1.5affected
  • 9.12.4.56affected
  • 9.17.1.30affected
  • 9.19.1.9affected
  • 9.18.3.39affected
  • 9.16.4.19affected
  • 9.12.4.58affected
  • 9.19.1.12affected
  • 9.18.3.46affected
  • 9.16.4.27affected
  • 9.19.1.18affected
  • 9.18.3.53affected
  • 9.18.3.55affected
  • 9.16.4.38affected
  • 9.17.1.33affected
  • 9.12.4.62affected
  • 9.16.4.39affected
  • 9.18.3.56affected
  • 9.20.1affected
  • 9.16.4.42affected
  • 9.19.1.22affected
  • 9.18.4affected
  • 9.20.1.5affected
  • 9.18.4.5affected
  • 9.19.1.24affected
  • 9.16.4.48affected
  • 9.18.4.8affected
  • 9.20.2affected
  • 9.19.1.27affected
  • 9.12.4.65affected
  • 9.16.4.55affected
  • 9.18.4.22affected
  • 9.20.2.10affected
  • 9.16.4.57affected
  • 9.19.1.28affected
  • 9.17.1.39affected
  • 9.12.4.67affected
  • 9.18.4.24affected
  • 9.20.2.21affected
  • 9.16.4.61affected
  • 9.19.1.31affected
  • 9.18.4.29affected
  • 9.20.2.22affected
  • 9.16.4.62affected
  • 9.18.4.34affected
  • 9.20.3affected
  • 9.16.4.67affected
  • 9.16.4.70affected
  • 9.18.4.40affected
  • 9.23.1affected
  • 9.22.1.1affected
  • 9.16.4.71affected
  • 9.20.3.4affected
  • 9.18.4.47affected
  • 9.20.3.7affected
  • 9.17.1.45affected
  • 9.19.1.37affected
  • 9.17.1.46affected
  • 9.16.4.76affected
  • 9.20.3.9affected
  • 9.19.1.38affected
  • 9.18.4.50affected
  • 9.22.1.3affected
  • 9.20.3.10affected
  • 9.22.1.2affected
  • 9.18.4.52affected
  • 9.20.3.13affected
  • 9.22.1.6affected
  • 9.18.4.53affected
  • 9.16.4.82affected
  • 9.22.2affected
  • 9.20.3.16affected
  • 9.19.1.42affected
  • 9.18.4.57affected
  • 9.16.4.84affected
  • 9.23.1.3affected
  • 9.20.3.20affected
  • 9.22.2.4affected
  • 9.23.1.7affected
  • 9.20.4affected
  • 9.22.2.9affected
  • 9.23.1.13affected
  • 9.20.4.7affected
  • 9.22.2.13affected
  • 9.18.4.66affected
  • 9.20.4.10affected
  • 9.23.1.19affected
  • 9.16.4.85affected
  • 9.22.2.14affected
  • 9.18.4.67affected
  • 9.18.4.68affected

Cisco Cisco Secure Firewall Threat Defense (FTD) Software

Default version status: unknown

  • 6.4.0.1affected
  • 6.4.0.2affected
  • 6.4.0.5affected
  • 6.4.0affected
  • 6.4.0.3affected
  • 6.4.0.4affected
  • 6.4.0.6affected
  • 6.4.0.7affected
  • 6.4.0.8affected
  • 6.4.0.9affected
  • 6.4.0.10affected
  • 6.4.0.11affected
  • 6.4.0.12affected
  • 7.0.0affected
  • 7.0.0.1affected
  • 7.0.1affected
  • 7.1.0affected
  • 6.4.0.13affected
  • 7.0.1.1affected
  • 6.4.0.14affected
  • 7.1.0.1affected
  • 7.0.2affected
  • 6.4.0.15affected
  • 7.2.0affected
  • 7.0.2.1affected
  • 7.0.3affected
  • 7.1.0.2affected
  • 7.2.0.1affected
  • 7.0.4affected
  • 7.2.1affected
  • 7.0.5affected
  • 6.4.0.16affected
  • 7.3.0affected
  • 7.2.2affected
  • 7.2.3affected
  • 7.3.1affected
  • 7.1.0.3affected
  • 7.2.4affected
  • 7.0.6affected
  • 7.2.5affected
  • 7.2.4.1affected
  • 7.3.1.1affected
  • 7.4.0affected
  • 6.4.0.17affected
  • 7.0.6.1affected
  • 7.2.5.1affected
  • 7.4.1affected
  • 7.2.6affected
  • 7.0.6.2affected
  • 7.4.1.1affected
  • 6.4.0.18affected
  • 7.2.7affected
  • 7.2.5.2affected
  • 7.3.1.2affected
  • 7.2.8affected
  • 7.6.0affected
  • 7.4.2affected
  • 7.2.8.1affected
  • 7.0.6.3affected
  • 7.4.2.1affected
  • 7.2.9affected
  • 7.0.7affected
  • 7.7.0affected
  • 7.4.2.2affected
  • 7.2.10affected
  • 7.6.1affected
  • 7.4.2.3affected
  • 7.0.8affected
  • 7.6.2affected
  • 7.7.10affected
  • 7.0.8.1affected
  • 7.6.2.1affected
  • 7.7.10.1affected
  • 7.4.2.4affected
  • 7.2.10.2affected

References