PT-2026-68249 · Cisco · Ios Xe

CVE-2026-20311

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Published

2026-08-05

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Updated

2026-08-05

CVSS v3.1

6.3

Medium

VectorAV:N/AC:H/PR:L/UI:N/S:C/C:N/I:N/A:H
Name of the Vulnerable Software and Affected Versions Cisco IOS XE Software (affected versions not specified)
Description Insufficient error handling in the web-based management interface allows an authenticated remote attacker with low privileges to trigger a denial of service (DoS) condition. The issue occurs when an attacker authenticates using a malformed certificate, which can cause the affected device to reload.
Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Buffer Over-read

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Weakness Enumeration

Related Identifiers

CVE-2026-20311

Affected Products

Ios Xe