Description

A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected cross-site scripting attack (XSS) on an affected device. This vulnerability is due to improper sanitization of user-supplied input. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute a reflected XSS attack and steal user cookies from the affected device.

INFO

Published Date :

2025-09-24T17:14:34.470Z

Last Modified :

2025-09-26T17:12:35.657Z

Source :

cisco
AFFECTED PRODUCTS

The following products are affected by CVE-2025-20240 vulnerability.

Vendors Products
Cisco
  • Ios Xe Software
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-20240.

URL Resource
https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webui-xss-VWyDgjOU cve-icon cve-icon
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CVSS Vulnerability Scoring System

Detailed values of each vector for above chart.
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact