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Cisco Bug: CSCuj81722 - User enumeration via OutlookAction

Last Modified

Apr 03, 2018

Products (1)

  • Cisco Webex Meetings Server

Known Affected Releases


Description (partial)

A vulnerability in the OutlookAction Class of Cisco WebEx Meetings Server could allow an unauthenticated, remote attacker to enumerate valid user accounts.

The vulnerability is due to improper sanitization of a returned message. An attacker could exploit this vulnerability by sending crafted URL requests to a vulnerable device.

Cisco has confirmed the vulnerability in a security notice; however, software updates are not available.

To exploit the vulnerability, the attacker may provide a link that directs a user to a malicious site and use misleading language or instructions to persuade the user to follow the provided link.

The security notice is available at the following URL:

An affected device with default configuration.
Bug details contain sensitive information and therefore require a account to be viewed.

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