vulnerability
Cisco XE: CVE-2025-20240: Cisco IOS XE Software Web Authentication Reflected Cross-Site Scripting Vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 6 | (AV:N/AC:M/Au:N/C:P/I:P/A:N) | Sep 24, 2025 | Sep 25, 2025 | Jan 27, 2026 |
Severity
6
CVSS
(AV:N/AC:M/Au:N/C:P/I:P/A:N)
Published
Sep 24, 2025
Added
Sep 25, 2025
Modified
Jan 27, 2026
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.
Solution
cisco-xe-update-latest
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