cisco-sa-xe-webui-dos-PtAODAWW

csafUScisco_csaf

Cisco IOS XE Software Web-Based Management Interface Denial of Service Vulnerability

view advisory published 2026-08-05

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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.

01

describes (1)

Related CVEs.

IDseverity exploitable
CVE-2026-20311US——
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)…
02

references

External citations — patches, advisories, analysis.

03

remediations (155)

scry

Advisories like this name the exposed products attackers go after on your perimeter. See what is exposed on your perimeter with a free passive scan.

Free scan