CVE-2021-41767 - CVE House
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Status published Medium CVE-2021-41767

Private tunnel identifier may be included in the non-private details of active connections

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

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

Affected Vendor

Apache Software Foundation

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Affected Software

Apache Guacamole
Vulnerable Versions:
unspecified

Timeline

Official Publish: January 11th, 2022
Last Modified: August 4th, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Weaknesses (CWE)