CVE-2021-40122
Medium
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.
SeverityMedium
CVSS5.9
Exploit probability—
Product
Cisco Meeting Server
PublishedOct 21, 2021
First seenOct 21, 2021
Weakness typeCWE-399CWE-399
How to fix
Update
- cisco meeting_server3.2.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| cisco meeting_server | v ≤ 3.1, 3.2 ≤ v < 3.2.3 | 3.2.3 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.