CVE-2026-20108

Summary

A vulnerability in the web-based management interface of Cisco Catalyst SD-WAN Manager could allow an authenticated, remote attacker to conduct a cross-site scripting (XSS) attack against a user of the interface of an affected device. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of the web-based management interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.

Affected Software

VendorProductVersion RangeStatus
CiscoCisco Catalyst SD-WAN Manager20.12.1affected
CiscoCisco Catalyst SD-WAN Manager20.12.1_LI_Imagesaffected
CiscoCisco Catalyst SD-WAN Manager20.12.2affected
CiscoCisco Catalyst SD-WAN Manager20.12.3affected
CiscoCisco Catalyst SD-WAN Manager20.12.3.1affected
CiscoCisco Catalyst SD-WAN Manager20.12.4affected
CiscoCisco Catalyst SD-WAN Manager20.12.4.1affected
CiscoCisco Catalyst SD-WAN Manager20.12.5affected
CiscoCisco Catalyst SD-WAN Manager20.12.5.1affected
CiscoCisco Catalyst SD-WAN Manager20.12.5.2affected
CiscoCisco Catalyst SD-WAN Manager20.12.6affected
CiscoCisco Catalyst SD-WAN Manager20.12.6.1affected
CiscoCisco Catalyst SD-WAN Manager20.12.5.3affected
CiscoCisco Catalyst SD-WAN Manager20.13.1affected
CiscoCisco Catalyst SD-WAN Manager20.14.1affected
CiscoCisco Catalyst SD-WAN Manager20.15.1affected
CiscoCisco Catalyst SD-WAN Manager20.15.2affected
CiscoCisco Catalyst SD-WAN Manager20.15.3affected
CiscoCisco Catalyst SD-WAN Manager20.15.3.1affected
CiscoCisco Catalyst SD-WAN Manager20.15.4affected
CiscoCisco Catalyst SD-WAN Manager20.15.4.1affected
CiscoCisco Catalyst SD-WAN Manager20.15.4.2affected
CiscoCisco Catalyst SD-WAN Manager20.16.1affected
CiscoCisco Catalyst SD-WAN Manager20.18.1affected

Weaknesses

  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References