VDB
CVE-2025-20240
CVE-2025-20240
PUBLISHED
CVSS 6.099999904632568 MEDIUM
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.
EPSS 0.04% · 13.7th percentile
Risk Scores
CVSS 3.1
6.099999904632568
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS Score
0.04%
13.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Cisco IOS XE Software | 16.6.1, 16.6.2, 16.6.3 |
Exploit Intelligence
- CIRCL seen: CVE-2025-20240 (circl-sighting)
- CIRCL seen: CVE-2025-20240 (circl-sighting)
- cisco-sa-webui-xss-VWyDgjOU (circl)
Timeline
- Oct 10, 2024 CVE ID Reserved
- Sep 24, 2025 CVE Published
- Sep 25, 2025 EPSS Score
- Sep 25, 2025 PoC Published
- Sep 26, 2025 PoC Published
- Sep 26, 2025 CVE Updated
- Oct 2, 2025 EPSS Score
- Oct 3, 2025 Coalition ESS Score
- Oct 6, 2025 Coalition ESS Score
- Oct 9, 2025 EPSS Score
- Oct 15, 2025 EPSS Score
- Oct 22, 2025 EPSS Score