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I. Basic Information for CVE-2021-40122
Vulnerability Information

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Vulnerability Title
Cisco Meeting Server Call Bridge Denial of Service Vulnerability
Source: NVD (National Vulnerability Database)
Vulnerability Description
A vulnerability in an API of the Call Bridge feature of Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. This vulnerability is due to improper handling of large series of message requests. An attacker could exploit this vulnerability by sending a series of messages to the vulnerable API. A successful exploit could allow the attacker to cause the affected device to reload, dropping all ongoing calls and resulting in a DoS condition.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
资源管理错误
Source: NVD (National Vulnerability Database)
Vulnerability Title
Cisco Meeting Server资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Cisco Meeting Server(Acano Conferencing Server)是美国思科(Cisco)公司的一套包含音频、视频的会议服务器软件。 Cisco Meeting Server 存在资源管理错误漏洞,该漏洞源于对大量消息请求处理不当造成的。攻击者可利用该漏洞导致受影响的设备重新加载,放弃所有正在进行的调用,并导致DoS条件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
VendorProductAffected VersionsCPESubscribe
CiscoCisco Meeting Server n/a -
II. Public POCs for CVE-2021-40122
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III. Intelligence Information for CVE-2021-40122
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IV. Related Vulnerabilities
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