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Cisco Bug: CSCvu43189 - Cisco Webex Meetings and Cisco Webex Meetings Server Token Handling Unauthorized Access

Last Modified

Jun 17, 2020

Products (1)

  • Cisco Webex Meetings Server

Known Affected Releases

4.0MR3SecurityPatch1

Description (partial)

Symptom:
A vulnerability in Cisco Webex Meetings and Cisco Webex Meetings Server could allow an unauthenticated, remote attacker to gain unauthorized access to a vulnerable Webex site.

The vulnerability is due to improper handling of authentication tokens by a vulnerable Webex site. An attacker could exploit this vulnerability by sending crafted requests to a vulnerable Cisco Webex Meetings or Cisco Webex Meetings Server site. If successful, the attacker could gain the privileges of another user within the affected Webex site.

Cisco has released software updates that address this vulnerability. Customers on Cisco hosted Webex Meetings sites do not need to take any actions to receive this update. There are no workarounds that address this vulnerability.

This advisory is available at the following link:
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-token-zPvEjKN

Conditions:
Please refer to the Security Advisory.
Bug details contain sensitive information and therefore require a Cisco.com account to be viewed.

Bug Details Include

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  • Status
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