cisco-sa-cms-LAHe8z5v

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Cisco Meeting Server Call Bridge Denial of Service Vulnerability

view advisory published 2021-10-20

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.

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describes (1)

Related CVEs.

IDseverity exploitable
CVE-2021-40122UShigh7.5—
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 vuln…
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references

External citations — patches, advisories, analysis.

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remediations (1)

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