{"api_version":"1","generated_at":"2026-04-23T20:20:45+00:00","cve":"CVE-2023-33237","urls":{"html":"https://cve.report/CVE-2023-33237","api":"https://cve.report/api/cve/CVE-2023-33237.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-33237","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-33237"},"summary":{"title":"CVE-2023-33237","description":"TN-5900 Series firmware version v3.3 and prior is vulnerable to improper-authentication vulnerability. This vulnerability arises from inadequate authentication measures implemented in the web API handler, allowing low-privileged APIs to execute restricted actions that only high-privileged APIs are allowed This presents a potential risk of unauthorized exploitation by malicious actors. ","state":"PUBLIC","assigner":"psirt@moxa.com","published_at":"2023-08-17 02:15:00","updated_at":"2023-08-22 19:10:00"},"problem_types":["CWE-287"],"metrics":[],"references":[{"url":"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities","name":"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities","refsource":"MISC","tags":[],"title":"TN-5900 and TN-4900 Series Web Server Multiple Vulnerabilities","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-33237","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33237","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"33237","vulnerable":"-1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"h","cpe4":"moxa","cpe5":"tn-5900","cpe6":"-","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2023","cve_id":"33237","vulnerable":"1","versionEndIncluding":"3.3","cpe1":"cpe","cpe2":"2.3","cpe3":"o","cpe4":"moxa","cpe5":"tn-5900_firmware","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-33237","ASSIGNER":"psirt@moxa.com","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"TN-5900 Series firmware version v3.3 and prior is vulnerable to improper-authentication vulnerability. This vulnerability arises from inadequate authentication measures implemented in the web API handler, allowing low-privileged APIs to execute restricted actions that only high-privileged APIs are allowed This presents a potential risk of unauthorized exploitation by malicious actors. \n"}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-287 Improper Authentication","cweId":"CWE-287"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"Moxa","product":{"product_data":[{"product_name":"TN-5900 Series","version":{"version_data":[{"version_affected":"<=","version_name":"1.0","version_value":"3.3"}]}}]}}]}},"references":{"reference_data":[{"url":"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities","refsource":"MISC","name":"https://www.moxa.com/en/support/product-support/security-advisory/mpsa-230402-tn-5900-and-tn-4900-series-web-server-multiple-vulnerabilities"}]},"generator":{"engine":"Vulnogram 0.1.0-dev"},"source":{"discovery":"EXTERNAL"},"solution":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Moxa has developed appropriate solution to address the vulnerability. The solution for affected products is shown below:<br><ul><li>TN-5900 Series: Please upgrade to firmware v3.4 or higher.</li></ul>"}],"value":"Moxa has developed appropriate solution to address the vulnerability. The solution for affected products is shown below:\n  *  TN-5900 Series: Please upgrade to firmware v3.4 or higher.\n\n\n"}],"impact":{"cvss":[{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"LOW","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}]}},"nvd":{"publishedDate":"2023-08-17 02:15:00","lastModifiedDate":"2023-08-22 19:10:00","problem_types":["CWE-287"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":8.8,"baseSeverity":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"AND","children":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:o:moxa:tn-5900_firmware:*:*:*:*:*:*:*:*","versionEndIncluding":"3.3","cpe_name":[]}]},{"operator":"OR","children":[],"cpe_match":[{"vulnerable":false,"cpe23Uri":"cpe:2.3:h:moxa:tn-5900:-:*:*:*:*:*:*:*","cpe_name":[]}]}],"cpe_match":[]}]}},"legacy_mitre":{"record":null,"notes":[]}}}