vulnerability
Cisco XE: CVE-2023-20226: Cisco IOS XE Software Application Quality of Experience and Unified Threat Defense Denial of Service Vulnerability
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
8 | (AV:N/AC:L/Au:N/C:N/I:N/A:C) | Sep 27, 2023 | Sep 28, 2023 | Jun 23, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:N/I:N/A:C)
Published
Sep 27, 2023
Added
Sep 28, 2023
Modified
Jun 23, 2025
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.
Solution
cisco-xe-update-latest

NEW
Explore Exposure Command
Confidently identify and prioritize exposures from endpoint to cloud with full attack surface visibility and threat-aware risk context.