{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2019-17659",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-03-17T13:35:01.135210Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-03-17T13:35:08.816Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "cpes": [],
          "defaultStatus": "unaffected",
          "product": "FortiSIEM",
          "vendor": "Fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "5.2.6"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A use of hard-coded cryptographic key vulnerability in FortiSIEM version 5.2.6 may allow a remote unauthenticated attacker to obtain SSH access to the supervisor as the restricted user \"tunneluser\" by leveraging knowledge of the private key from another installation or a firmware image."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 3.6,
            "baseSeverity": "LOW",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F/RL:X/RC:X",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-798",
              "description": "Improper access control",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-03-17T13:06:07.828Z",
        "orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
        "shortName": "fortinet"
      },
      "references": [
        {
          "name": "https://fortiguard.fortinet.com/psirt/FG-IR-19-296",
          "url": "https://fortiguard.fortinet.com/psirt/FG-IR-19-296"
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Please upgrade to FortiSIEM version 5.2.7 and above where this issue is resolved. \r\nWorkaround (for FortiSIEM version 5.2.6 and lower): \r\nCustomers who are not using the reverse tunnel feature are advised to disable SSH service on port 19999  by following the steps below :\r\n1. SSH to the Supervisor node as the root user.\r\n2. Remove tunneluser SSH configuration file to disable listening on port 19999:\r\nrm -f /etc/ssh/sshd_config.tunneluser\r\necho rm -f /etc/ssh/sshd_config.tunneluser \u003e\u003e /etc/init.d/phProvision.sh\r\n3. Then terminate sshd running on TCP Port 19999 as follows:\r\npkill -f /usr/sbin/sshd -p 19999\r\n4.Additional steps can be performed on Supervisor to remove the keys associated with tunneluser account:\r\nrm -f /opt/phoenix/deployment/id_rsa.pub.tunneluser\r\nrm -f /home/tunneluser/.ssh/authorized_keys\r\nrm -f /opt/phoenix/id_rsa.tunneluser ~admin/.ssh/id_rsa\r\nCustomers are also advised to disable \"tunneluser\" SSH access on port 22 by following the steps bwlow:\r\n1. SSH to the Supervisor node as the root user.\r\n2. Add/edit the following line in sshd_config file: \r\necho DenyUsers tunneluser \u003e\u003e  /etc/ssh/sshd_config\r\n3. service sshd restart"
        }
      ]
    }
  },
  "cveMetadata": {
    "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8",
    "assignerShortName": "fortinet",
    "cveId": "CVE-2019-17659",
    "datePublished": "2025-03-17T13:06:07.828Z",
    "dateReserved": "2019-10-16T00:00:00.000Z",
    "dateUpdated": "2025-03-17T13:35:08.816Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2019-17659\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-03-17T13:35:01.135210Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-03-17T13:35:04.552Z\"}}], \"cna\": {\"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 3.6, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:F/RL:X/RC:X\", \"integrityImpact\": \"NONE\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"LOW\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"NONE\"}}], \"affected\": [{\"cpes\": [], \"vendor\": \"Fortinet\", \"product\": \"FortiSIEM\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.2.6\"}], \"defaultStatus\": \"unaffected\"}], \"solutions\": [{\"lang\": \"en\", \"value\": \"Please upgrade to FortiSIEM version 5.2.7 and above where this issue is resolved. \\r\\nWorkaround (for FortiSIEM version 5.2.6 and lower): \\r\\nCustomers who are not using the reverse tunnel feature are advised to disable SSH service on port 19999  by following the steps below :\\r\\n1. SSH to the Supervisor node as the root user.\\r\\n2. Remove tunneluser SSH configuration file to disable listening on port 19999:\\r\\nrm -f /etc/ssh/sshd_config.tunneluser\\r\\necho rm -f /etc/ssh/sshd_config.tunneluser \u003e\u003e /etc/init.d/phProvision.sh\\r\\n3. Then terminate sshd running on TCP Port 19999 as follows:\\r\\npkill -f /usr/sbin/sshd -p 19999\\r\\n4.Additional steps can be performed on Supervisor to remove the keys associated with tunneluser account:\\r\\nrm -f /opt/phoenix/deployment/id_rsa.pub.tunneluser\\r\\nrm -f /home/tunneluser/.ssh/authorized_keys\\r\\nrm -f /opt/phoenix/id_rsa.tunneluser ~admin/.ssh/id_rsa\\r\\nCustomers are also advised to disable \\\"tunneluser\\\" SSH access on port 22 by following the steps bwlow:\\r\\n1. SSH to the Supervisor node as the root user.\\r\\n2. Add/edit the following line in sshd_config file: \\r\\necho DenyUsers tunneluser \u003e\u003e  /etc/ssh/sshd_config\\r\\n3. service sshd restart\"}], \"references\": [{\"url\": \"https://fortiguard.fortinet.com/psirt/FG-IR-19-296\", \"name\": \"https://fortiguard.fortinet.com/psirt/FG-IR-19-296\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A use of hard-coded cryptographic key vulnerability in FortiSIEM version 5.2.6 may allow a remote unauthenticated attacker to obtain SSH access to the supervisor as the restricted user \\\"tunneluser\\\" by leveraging knowledge of the private key from another installation or a firmware image.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-798\", \"description\": \"Improper access control\"}]}], \"providerMetadata\": {\"orgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"shortName\": \"fortinet\", \"dateUpdated\": \"2025-03-17T13:06:07.828Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2019-17659\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-03-17T13:35:08.816Z\", \"dateReserved\": \"2019-10-16T00:00:00.000Z\", \"assignerOrgId\": \"6abe59d8-c742-4dff-8ce8-9b0ca1073da8\", \"datePublished\": \"2025-03-17T13:06:07.828Z\", \"assignerShortName\": \"fortinet\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}