CVE-2025-20327
A vulnerability in the web UI of Cisco IOS Software could allow an authenticated, remote attacker with low privileges to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper input validation. An attacker could exploit this vulnerability by sending a crafted URL in an HTTP request. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Scoring
- Severity
- HIGH
- CVSS base score
- 7.7
- CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H
- EPSS probability
- 0.38%
- CWE
- CWE-1287
- Published
- 2025-09-24
- Last modified
- 2026-03-12
Affected products
- Cisco IOS
- Cisco IOS
- Cisco IOS
- Cisco IOS
- Cisco IOS
- Cisco IOS
- Cisco IOS
- Cisco IOS
Weakness type
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