CVE-2021-27328

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "Yeastar NeoGate TG400 91.3.0.3 devices are affected by Directory Traversal. An authenticated user can decrypt firmware and can read sensitive information, such as a password or decryption key."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2026-07-05T00:02:24.771Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"url": "https://github.com/SQSamir/CVE-2021-27328"}, {"url": "http://packetstormsecurity.com/files/161560/Yeastar-TG400-GSM-Gateway-91.3.0.3-Path-Traversal.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2021-27328", "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": "Yeastar NeoGate TG400 91.3.0.3 devices are affected by Directory Traversal. An authenticated user can decrypt firmware and can read sensitive information, such as a password or decryption key."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://yeastar.com", "refsource": "MISC", "url": "http://yeastar.com"}, {"name": "https://github.com/SQSamir/CVE-2021-27328", "refsource": "MISC", "url": "https://github.com/SQSamir/CVE-2021-27328"}, {"name": "http://packetstormsecurity.com/files/161560/Yeastar-TG400-GSM-Gateway-91.3.0.3-Path-Traversal.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/161560/Yeastar-TG400-GSM-Gateway-91.3.0.3-Path-Traversal.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-09T00:12:44.145Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://github.com/SQSamir/CVE-2021-27328"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "http://packetstormsecurity.com/files/161560/Yeastar-TG400-GSM-Gateway-91.3.0.3-Path-Traversal.html"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-27328", "datePublished": "2021-02-19T18:23:22.000Z", "dateReserved": "2021-02-16T00:00:00.000Z", "dateUpdated": "2026-07-09T00:12:44.145Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

{}

{"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:yeastar:neogate_tg400_firmware:91.3.0.3:*:*:*:*:*:*:*", "matchCriteriaId": "4F5677DF-B933-4CED-8BD7-D717970BC083", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:yeastar:neogate_tg400:-:*:*:*:*:*:*:*", "matchCriteriaId": "9B68796A-C77A-4913-8028-8F70592F091F", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Yeastar NeoGate TG400 91.3.0.3 devices are affected by Directory Traversal. An authenticated user can decrypt firmware and can read sensitive information, such as a password or decryption key."}, {"lang": "es", "value": "Los dispositivos Yeastar NeoGate TG400 versi\u00f3n 91.3.0.3, est\u00e1n afectados por un Salto de Directorio. Un usuario autenticado puede descifrar el firmware y puede leer informaci\u00f3n confidencial, como una contrase\u00f1a o una clave de descifrado"}], "id": "CVE-2021-27328", "lastModified": "2026-07-09T01:16:48.607", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-02-19T19:15:12.627", "references": [{"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/161560/Yeastar-TG400-GSM-Gateway-91.3.0.3-Path-Traversal.html"}, {"source": "cve@mitre.org", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/SQSamir/CVE-2021-27328"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory", "VDB Entry"], "url": "http://packetstormsecurity.com/files/161560/Yeastar-TG400-GSM-Gateway-91.3.0.3-Path-Traversal.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://github.com/SQSamir/CVE-2021-27328"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-22"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{}