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Medium

Apache Guacamole: Improper input validation of console codes

Type: advisorySources: OSV

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2024-35164
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 18:52 UTC · Revision 1

Source evidence

Apache Guacamole: Improper input validation of console codes

core-osv · Original source

Published 2 Jul 2025, 11:23 UTC

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.

osv:CVE-2024-35164
Complete source record
{
  "id": "d6966b35640b3b7c1d7c74ec8813ad26aeb5727d0dfe48af54ca5ba5a87bd221",
  "url": "https://osv.dev/vulnerability/CVE-2024-35164",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Apache Guacamole: Improper input validation of console codes",
    "summary": "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.",
    "evidence": "osv:CVE-2024-35164",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2024-35164",
      "aliases": [
        "CVE-2024-35164"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/apache/guacamole-server",
              "type": "GIT",
              "events": [
                {
                  "introduced": "d07830ea33965182dc75d3ef3c7bcd04a51b609f"
                },
                {
                  "fixed": "1f664e08feae6e7d15d8146b78acab2e6fb470ae"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:apache:guacamole:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0.8.0"
                      },
                      {
                        "fixed": "1.6.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  }
                ]
              }
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-35164.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:22.384085848Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/35xxx/CVE-2024-35164.json",
        "https://lists.apache.org/thread/sgs8lplbkrpvd3hrvcnnxh3028h4py70",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-35164"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-129"
        ],
        "cna_assigner": "apache",
        "unresolved_ranges": [
          {
            "extracted_events": [
              {
                "range": [
                  {
                    "introduced": "0.8.0"
                  },
                  {
                    "last_affected": "1.5.5"
                  }
                ],
                "source": "AFFECTED_FIELD",
                "strategy": "StandardRange"
              }
            ]
          }
        ],
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/35xxx/CVE-2024-35164.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-35164",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 488794,
  "published_at": "2025-07-02T11:23:22.75+00:00"
}