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Date: Tue, 11 Jan 2022 13:21:26 -0800
From: Mike Jumper <>
Subject: [SECURITY] CVE-2021-41767: Apache Guacamole: Private tunnel
 identifier may be included in the non-private details of active connections

Severity: moderate


Apache Guacamole 1.3.0 and older may incorrectly include a private
tunnel identifier in the non-private details of some REST responses.
This may allow an authenticated user who already has permission to
access a particular connection to read from or interact with another
user's active use of that same connection.


We would like to thank Damian Velardo (Australia and New Zealand
Banking Group) for reporting this issue.

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