CVE-2021-40122
MEDIUMCisco Meeting Server < 3.1 - Unauthenticated Denial of Service via Call Bridge API
Title source: llmDescription
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.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
x_refsource_cisco
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cms-LAHe8z5v
Scores
CVSS v3
5.9
EPSS
0.0038
EPSS Percentile
59.3%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-399
CWE-404
Status
published
Products (1)
cisco/meeting_server
< 3.1
Published
Oct 21, 2021
Tracked Since
Feb 18, 2026