vulntracker.iovulntracker.io
© 2026 vulntracker.io

CVE-2021-41767

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

MEDIUM
6.5
CVSS Score
Published: January 11, 2022 at 10:10 PM UTC
Updated: June 17, 2026 at 04:08 AM UTC
1 product affected across 1 vendorGuacamole

Using Apache Guacamole by Apache Software Foundation?

Get instant alerts when new vulnerabilities affect Apache Guacamole - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Start FreeSign In
Severity
MEDIUM6.5
Exploit prediction
EPSS 2%

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Guacamole· Apache
95%
v ≤ 1.3.0

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (2)

Mailing Listx_refsource_MLISTThird Party Advisory
Source: [email protected]
http://www.openwall.com/lists/oss-security/2022/01/11/6
x_refsource_MISCMailing ListVendor Advisory
Source: [email protected]
https://lists.apache.org/thread/5l31k4jmzdsfz0xt8osrbl878gb3b7ro

CVSS

6.5MEDIUM[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-200

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Create accountSign in
Free plan, no card