Vulnerability Bulletins

Multiple Cisco Unified Communications Products Unauthenticated API High CPU Utilization Denial of Service Vulnerability

System information

Affected software Cisco


A vulnerability in an API endpoint of multiple Cisco Unified Communications Products could allow an unauthenticated, remote attacker to cause high CPU utilization, which could impact access to the web-based management interface and cause delays with call processing. This API is not used for device management and is unlikely to be used in normal operations of the device. This vulnerability is due to improper API authentication and incomplete validation of the API request. An attacker could

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Standar resources

Property Value
CVE CVE-2023-20259.

Version history

Version Comments Date
Ministerio de Defensa