CVE-2024-35164

Apache Guacamole: Improper input validation of console codes

Published Jul 2, 2025 CVSS 3.1 · 6.8 Medium EPSS < 1% KEV · Not listed
Description
The terminal emulator of Apache Guacamole 1.5.5 and older does not properly validate console codes received from servers via text-based protocols like SSH. If a malicious user has access to a text-based connection, a specially-crafted sequence of console codes could allow arbitrary code to be executed
with the privileges of the running guacd process.




Users are recommended to upgrade to version 1.6.0, which fixes this issue.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-54722 The terminal emulator of Apache Guacamole 1.5.5 and older does not properly validate console codes received from servers via text-based protocols like SSH. If a malicious user has access to a text-based connection, a specially-crafted sequence of console codes could allow arbitrary code to be executed with the privileges of the running guacd process. Users are recommended to upgrade to version 1.6.0, which fixes this issue.
History
Type Values Removed Values Added
First Time appeared Apache
Apache guacamole
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:apache:guacamole:*:*:*:*:*:*:*:*
Vendors & Products Apache
Apache guacamole
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description The terminal emulator of Apache Guacamole 1.5.5 and older does not properly validate console codes received from servers via text-based protocols like SSH. If a malicious user has access to a text-based connection, a specially-crafted sequence of console codes could allow arbitrary code to be executed with the privileges of the running guacd process. Users are recommended to upgrade to version 1.6.0, which fixes this issue.
Title Apache Guacamole: Improper input validation of console codes
Weaknesses CWE-129
References
Metrics cvssV3_1

{'score': 6.8, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
apache
Published
Updated
Feb 26, 2026, 6:28 PM
Reserved
May 10, 2024, 7:46 AM
Status
Modified
Published
Jul 2, 2025, 12:15 PM
Modified
Jun 17, 2026, 7:34 AM