CVE-2018-0280: Cisco Meeting Server

High severity, CVSS 7.5. EPSS: 3.3% chance of exploitation in the next 30 days.

A vulnerability in the Real-Time Transport Protocol (RTP) bitstream processing of the Cisco Meeting Server could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to insufficient input validation of incoming RTP bitstreams. An attacker could exploit this vulnerability by sending a crafted RTP bitstream to an affected Cisco Meeting Server. A successful exploit could allow the attacker to deny audio and video services by causing media process crashes resulting in a DoS condition on the affected product. This vulnerability affects Cisco Meeting Server deployments that are running Cisco Meeting Server Software Releases 2.0, 2.1, 2.2, and 2.3. Cisco Bug IDs: CSCve79693, CSCvf91393, CSCvg64656, CSCvh30725, CSCvi86363.

Affected products

• Cisco Meeting Server: version 2.0 only; version 2.1 only; version 2.2 only; version 2.2.5 only; version 2.2.8 only; version 2.3 only

Published 2018-05-17. Last modified 2026-06-17.