CVE-2021-28152

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser. To connect, the telnet service is used on port 5188 with the default credentials of root:superzxmn."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-05-06T15:11:59.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "http://en.hongdian.com/Products/Details/H8922"}, {"tags": ["x_refsource_MISC"], "url": "https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-28152", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser. To connect, the telnet service is used on port 5188 with the default credentials of root:superzxmn."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://en.hongdian.com/Products/Details/H8922", "refsource": "MISC", "url": "http://en.hongdian.com/Products/Details/H8922"}, {"name": "https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/", "refsource": "MISC", "url": "https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:40:12.055Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://en.hongdian.com/Products/Details/H8922"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-28152", "datePublished": "2021-05-06T15:11:59.000Z", "dateReserved": "2021-03-11T00:00:00.000Z", "dateUpdated": "2024-08-03T21:40:12.055Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:hongdian:h8922_firmware:3.0.5:*:*:*:*:*:*:*", "matchCriteriaId": "D748F6D1-B686-4DB3-8FCF-FCB6909CF34A", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:hongdian:h8922:-:*:*:*:*:*:*:*", "matchCriteriaId": "0011B27F-4F9D-422E-8A75-0D12618239B2", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Hongdian H8922 3.0.5 devices have an undocumented feature that allows access to a shell as a superuser. To connect, the telnet service is used on port 5188 with the default credentials of root:superzxmn."}, {"lang": "es", "value": "Los dispositivos Hongdian H8922 versi\u00f3n 3.0.5, presentan una funci\u00f3n no documentada que permite el acceso a un shell como superusuario. Para conectarse, el servicio telnet es usado en el puerto 5188 con las credenciales predeterminadas root:superzxmn"}], "id": "CVE-2021-28152", "lastModified": "2026-06-17T03:45:53.340", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "PARTIAL", "baseScore": 7.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 10.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-06T16:15:07.417", "references": [{"source": "cve@mitre.org", "tags": ["Product", "Vendor Advisory"], "url": "http://en.hongdian.com/Products/Details/H8922"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Vendor Advisory"], "url": "http://en.hongdian.com/Products/Details/H8922"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://ssd-disclosure.com/ssd-advisory-hongdian-h8922-multiple-vulnerabilities/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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