Security Advisory

CVE-2026-20263

CVE vulnerability detail - eXtreme Datacenter Security Operations

Published 2026-08-05 16:18:33

Last updated 2026-08-05 17:45:15

Assigner cisco

CVSS score not scored

State PUBLISHED

Description

A vulnerability in the Blocks Extensible Exchange Protocol (BEEP) feature of Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to improper handling when parsing a specific BEEP SOAP request. An attacker could exploit this vulnerability by sending a specific BEEP SOAP request to an affected device. A successful exploit could allow the attacker to cause the device to reload unexpectedly, resulting in a DoS condition.

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