{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2019-17659", "assignerOrgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "state": "PUBLISHED", "assignerShortName": "fortinet", "dateReserved": "2019-10-16T00:00:00.000Z", "datePublished": "2025-03-17T13:06:07.828Z", "dateUpdated": "2025-03-17T13:35:08.816Z"}, "containers": {"cna": {"affected": [{"vendor": "Fortinet", "product": "FortiSIEM", "cpes": [], "defaultStatus": "unaffected", "versions": [{"version": "5.2.6", "status": "affected"}]}], "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."}], "providerMetadata": {"orgId": "6abe59d8-c742-4dff-8ce8-9b0ca1073da8", "shortName": "fortinet", "dateUpdated": "2025-03-17T13:06:07.828Z"}, "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-798", "description": "Improper access control", "type": "CWE"}]}], "metrics": [{"format": "CVSS", "cvssV3_1": {"version": "3.1", "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"}}], "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 >> /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 >> /etc/ssh/sshd_config\r\n3. service sshd restart"}], "references": [{"name": "https://fortiguard.fortinet.com/psirt/FG-IR-19-296", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-19-296"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2025-03-17T13:35:01.135210Z", "id": "CVE-2019-17659", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2025-03-17T13:35:08.816Z"}}]}}

{"dataType": "CVE_RECORD", "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 >> /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 >> /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"}, "dataVersion": "5.1"}

{"cveTags": [], "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."}], "id": "CVE-2019-17659", "lastModified": "2025-03-17T14:15:16.360", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "HIGH", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 3.7, "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", "version": "3.1"}, "exploitabilityScore": 2.2, "impactScore": 1.4, "source": "psirt@fortinet.com", "type": "Secondary"}]}, "published": "2025-03-17T14:15:16.360", "references": [{"source": "psirt@fortinet.com", "url": "https://fortiguard.fortinet.com/psirt/FG-IR-19-296"}], "sourceIdentifier": "psirt@fortinet.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-798"}], "source": "psirt@fortinet.com", "type": "Primary"}]}

{}