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Vulnerability DatabaseCVE-2024-35164

CVE-2024-35164: 
Apache Guacamole vulnerability analysis and mitigation

Overview

The vulnerability (CVE-2024-35164) affects Apache Guacamole versions 1.5.5 and older, specifically targeting its terminal emulator component. The vulnerability was discovered by Tizian Seehaus (Tibotix) and was publicly disclosed on July 1, 2025. The issue stems from improper validation of console codes received from servers through text-based protocols such as SSH (Apache Advisory, NVD).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 6.8 (Medium) by Apache Software Foundation with the vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N. However, NIST's NVD assessment indicates a higher severity with a CVSS score of 7.5 (High) and vector string CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. The vulnerability is classified under CWE-129 (Improper Validation of Array Index) by the Apache Software Foundation (NVD).

Impact

If successfully exploited, this vulnerability allows arbitrary code execution with the privileges of the running guacd process. The vulnerability affects all versions of Apache Guacamole from version 0.8.0 up to version 1.5.5 (Apache Advisory).

Mitigation and workarounds

Users are strongly recommended to upgrade to Apache Guacamole version 1.6.0, which contains the fix for this vulnerability (Apache Advisory).

Additional resources

Source: This report was generated using AI

Related Apache Guacamole vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2023-43826HIGH8.8
  • Apache GuacamoleApache Guacamole
  • cpe:2.3:a:apache:guacamole
NoYesDec 19, 2023
CVE-2023-30576HIGH8.1
  • Apache GuacamoleApache Guacamole
  • cpe:2.3:a:apache:guacamole
NoYesJun 07, 2023
CVE-2024-35164HIGH7.5
  • Apache GuacamoleApache Guacamole
  • guacd-debuginfo
NoYesJul 02, 2025
CVE-2023-30575HIGH7.5
  • Apache GuacamoleApache Guacamole
  • cpe:2.3:a:apache:guacamole
NoYesJun 07, 2023
CVE-2025-12194MEDIUM5.9
  • JavaJava
  • guacamole-client
NoYesOct 24, 2025

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