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CVE-2023-20226

HIGH CVSS: 8.6 Published: 2023-09-27 Modified: 2026-06-17

Description

A vulnerability in Application Quality of Experience (AppQoE) and Unified Threat Defense (UTD) on Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to the mishandling of a crafted packet stream through the AppQoE or UTD application. An attacker could exploit this vulnerability by sending a crafted packet stream through an affected device. A successful exploit could allow the attacker to cause the device to reload, resulting in a DoS condition.

Affected Platforms

Cisco 4321\/K9-Ws Integrated Services RouterCisco Catalyst 8300-2N2S-6TCisco 1100-4Gltena Integrated Services RouterCisco 4331\/K9 Integrated Services RouterCisco 4321\/K9 Integrated Services RouterCisco 4351\/K9 Integrated Services RouterCisco C8200-1N-4TCisco 1100-6G Integrated Services RouterCisco Catalyst 8300-1N1S-4T2XCisco 4431 Integrated Services Router

Weakness Type

CWE-456, NVD-CWE-noinfo

References