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Cisco Bug: CSCuq12635 - ticket cookie vulnerable to permission fixation and replay attacks

Last Modified

Aug 06, 2018

Products (1)

  • Cisco Webex Meetings Online

Known Affected Releases


Description (partial)

Cisco Webex does not properly invalidate and replace session token cookies upon permission changes to the user.

This creates a permission fixation issue and could cause the user to have more or less privileges than they should.

A user has previously accessed WebEx and has since had permissions changed by an administrator.
Bug details contain sensitive information and therefore require a account to be viewed.

Bug Details Include

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  • Status
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