CVE-2021-41767

6.5 mediumEPSS 1.9%

Medium (6.5) in apache guacamole. EPSS 1.9% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

6.5 medium

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

EPSS: 1.9% chance of exploitation in the next 30 days; higher than 80% of CVEs (scores of 2026-10-31)
CWE: CWE-200
Published: 2022-01-11
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apache:guacamole

References

http://www.openwall.com/lists/oss-security/2022/01/11/6
https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro
http://www.openwall.com/lists/oss-security/2022/01/11/6
https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro

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