cisco-sa-cms-LAHe8z5v: Cisco Meeting Server Call Bridge Denial of Service Vulnerability
First published: Wed Oct 20 2021(Updated: )
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. Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability. This advisory is available at the following link:https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cms-LAHe8z5v
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco Meeting Server |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this Cisco Meeting Server vulnerability?
The vulnerability ID of this Cisco Meeting Server vulnerability is cisco-sa-cms-LAHe8z5v.
What is the title of this vulnerability?
The title of this vulnerability is Cisco Meeting Server Call Bridge Denial of Service Vulnerability.
What is the severity of the Cisco Meeting Server vulnerability with the ID cisco-sa-cms-LAHe8z5v?
The severity of the Cisco Meeting Server vulnerability with the ID cisco-sa-cms-LAHe8z5v is medium.
What software is affected by the Cisco Meeting Server vulnerability with the ID cisco-sa-cms-LAHe8z5v?
The Cisco Meeting Server vulnerability with the ID cisco-sa-cms-LAHe8z5v affects Cisco Meeting Server.
How can an unauthenticated attacker exploit the Cisco Meeting Server vulnerability with the ID cisco-sa-cms-LAHe8z5v?
An unauthenticated attacker can exploit the Cisco Meeting Server vulnerability with the ID cisco-sa-cms-LAHe8z5v by sending large series of message requests, causing a denial of service (DoS) condition.
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