CVE-2025-20240
A vulnerability in the Web Authentication feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to conduct a reflected...
Basic Information
- CVE State
- PUBLISHED
- Reserved Date
- October 10, 2024
- Published Date
- September 24, 2025
- Last Updated
- September 26, 2025
- Vendor
- Cisco
- Product
- Cisco IOS XE Software
- 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.
CVSS Scores
CVSS v3.1
6.1 - MEDIUM
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
SSVC Information
- Exploitation
- none
- Technical Impact
- partial
Exploit Status
- Exploited in the Wild
- Yes (2025-09-25 11:38:17 UTC) Source
Known Exploited Vulnerability Information
| Source | Added Date |
|---|---|
| The Shadowserver (via CIRCL) | 2025-09-25 11:38:17 UTC |
Timeline
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CVE ID Reserved
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CVE Published to Public
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Added to KEVIntel