November 6, 2019
Cisco Webex Meetings is prone to a remote privilege-escalation vulnerability. A remote attacker can exploit this issue to gain elevated privileges on the affected devices. This issue is tracked by Cisco Bug ID CSCvq37564.
- Cisco WebEx Meetings
- Cisco Webex Meetings Online
Block external access at the network boundary, unless external parties require service.
If global access isn't needed, filter access to the affected device at the network boundary. Restricting access to only trusted computers and networks might greatly reduce the likelihood of exploitation.
Deploy network intrusion detection systems to monitor network traffic for malicious activity.
Deploy NIDS to monitor network traffic for signs of anomalous or suspicious activity. This includes but is not limited to requests that include explained incoming and outgoing traffic. This may indicate exploit attempts to activity that results from successful exploits.
Updates are available. Please see the references or vendor advisory for more information.
Thomas Bourguenolle of Ernst & Young
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