CVE-2021-40122

Cisco Meeting Server Call Bridge Denial of Service Vulnerability

Medium · published October 21, 2021

CVSS v3.1
5.9
EPSS
1%
Percentile
67.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.9 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.01164 · 67.0th percentile
Published
2021-10-21T02:50Z
EPSS history
Timeline
  • 21 OCT 02:50Z
    Cisco Meeting Server Call Bridge Denial of Service Vulnerability
    cvelistv5