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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 exploit this vulnerability by sending a crafted HTTP request to a specific API on the device. A successful exploit could allow the attacker to cause a denial of service (DoS) condition due to high CPU utilization, which could negatively impact user traffic and management access. When the attack stops, the device will recover without manual intervention.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H

未加控制的资源消耗(资源穷尽)

Cisco 多款产品安全漏洞

Cisco Unity Connection（UC）等都是美国思科（Cisco）公司的产品。Cisco Unity Connection是一套语音留言平台。Cisco Unified Communications Manager（CUCM，Unified CM，CallManager）是一款统一通信系统中的呼叫处理组件。Cisco Prime Collaboration Deployment是一个GUI界面。 Cisco 多款产品存在安全漏洞，该漏洞源于API 端点中存在安全漏洞，允许未经身份验证的远程攻

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