CVE-2025-20327

HIGH

7.7

Description

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.

CVE Details

CVSS v3.1 Score7.7

SeverityHIGH

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredLOW

User InteractionNONE

Published9/24/2025

Last Modified9/26/2025

Sourcenvd

Honeypot Sightings0

Weaknesses (CWE)

CWE-1287

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-ios-invalid-url-dos-Nvxszf6u(psirt@cisco.com)

IOC Correlations

No correlations recorded

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