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CVE-2021-40122

MEDIUM CVSS: 5.9 Published: 2021-10-21 Modified: 2026-06-17

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.

Affected Platforms

Cisco Meeting Server

Weakness Type

CWE-399, CWE-404

References