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High severity8.6NVD Advisory· Published Sep 27, 2023· Updated Jun 17, 2026

CVE-2023-20226

CVE-2023-20226

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

13
  • Cisco Systems, Inc./iOS Xr Softwarellm-fuzzy
  • Cisco Systems, Inc./IOS XE Software for Cisco Merakicpe-rescue
    Range: 17.7.1
  • Cisco Systems, Inc./iOS Xe11 versions
    cpe:2.3:o:cisco:ios_xe:17.7.1:*:*:*:*:*:*:*+ 10 more
    • cpe:2.3:o:cisco:ios_xe:17.7.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.7.1a:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.7.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.8.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.8.1a:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.9.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.9.1a:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.9.2:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.9.2a:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.10.1:*:*:*:*:*:*:*
    • cpe:2.3:o:cisco:ios_xe:17.10.1a:*:*:*:*:*:*:*

Patches

Vulnerability mechanics

References

1

News mentions

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