VULNERABILITY INTELLIGENCE
CVE-2026-20311
CVSS score6.3 MEDIUM
EPSS probability0.25%
CISA KEVNot currently listed
Published2026-08-05
Last modified2026-10-23
CVSS vectorCVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Description
A vulnerability in the web-based management interface of Cisco IOS XE 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 insufficient error handling in the web-based management interface. An attacker could exploit this vulnerability by authenticating with a malformed certificate. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.
Weakness classification
- psirt@cisco.com: CWE-126