CVE-2021-20712

{"containers": {"cna": {"affected": [{"product": "NEC Aterm devices", "vendor": "NEC Corporation", "versions": [{"status": "affected", "version": "Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier"}]}], "descriptions": [{"lang": "en", "value": "Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function."}], "problemTypes": [{"descriptions": [{"description": "Improper Access Control", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-04-26T00:20:46.000Z", "orgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "shortName": "jpcert"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://jpn.nec.com/security-info/secinfo/nv21-010.html"}, {"tags": ["x_refsource_MISC"], "url": "https://jvn.jp/en/jp/JVN29739718/index.html"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "vultures@jpcert.or.jp", "ID": "CVE-2021-20712", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "NEC Aterm devices", "version": {"version_data": [{"version_value": "Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier"}]}}]}, "vendor_name": "NEC Corporation"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "Improper Access Control"}]}]}, "references": {"reference_data": [{"name": "https://jpn.nec.com/security-info/secinfo/nv21-010.html", "refsource": "MISC", "url": "https://jpn.nec.com/security-info/secinfo/nv21-010.html"}, {"name": "https://jvn.jp/en/jp/JVN29739718/index.html", "refsource": "MISC", "url": "https://jvn.jp/en/jp/JVN29739718/index.html"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:53:21.234Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jpn.nec.com/security-info/secinfo/nv21-010.html"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://jvn.jp/en/jp/JVN29739718/index.html"}]}]}, "cveMetadata": {"assignerOrgId": "ede6fdc4-6654-4307-a26d-3331c018e2ce", "assignerShortName": "jpcert", "cveId": "CVE-2021-20712", "datePublished": "2021-04-26T00:20:46.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:53:21.234Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "NEC Aterm devices", "vendor": "NEC Corporation", "versions": [{"status": "affected", "version": "Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier"}]}], "source": "vultures@jpcert.or.jp"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nec:aterm_wg2600hs_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "98011875-167E-4921-858E-C30AF5E9DB76", "versionEndIncluding": "1.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nec:aterm_wg2600hs:-:*:*:*:*:*:*:*", "matchCriteriaId": "623C9C7B-C947-49A8-9C1D-20B23FDA73ED", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:nec:aterm_wx3000hp_firmware:*:*:*:*:*:*:*:*", "matchCriteriaId": "A92A76EA-80EE-49EF-817C-5CB11E60B61F", "versionEndIncluding": "1.1.2", "vulnerable": true}], "negate": false, "operator": "OR"}, {"cpeMatch": [{"criteria": "cpe:2.3:h:nec:aterm_wx3000hp:-:*:*:*:*:*:*:*", "matchCriteriaId": "4F34C11C-91C8-4DE6-B170-06C857E9E3F3", "vulnerable": false}], "negate": false, "operator": "OR"}], "operator": "AND"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper access control vulnerability in NEC Aterm WG2600HS firmware Ver1.5.1 and earlier, and Aterm WX3000HP firmware Ver1.1.2 and earlier allows a device connected to the LAN side to be accessed from the WAN side due to the defect in the IPv6 firewall function."}, {"lang": "es", "value": "Una vulnerabilidad de control de acceso inapropiado en NEC Aterm WG2600HS versiones de firmware Ver1.5.1 y anteriores, y Aterm WX3000HP versiones de firmware Ver1.1.2 y anteriores, permite acceder a un dispositivo conectado al lado LAN desde el lado WAN debido al defecto en la funci\u00f3n firewall IPv6"}], "id": "CVE-2021-20712", "lastModified": "2026-06-17T03:34:18.167", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 5.0, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 10.0, "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": 5.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-26T01:15:08.060", "references": [{"source": "vultures@jpcert.or.jp", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://jpn.nec.com/security-info/secinfo/nv21-010.html"}, {"source": "vultures@jpcert.or.jp", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN29739718/index.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mitigation", "Vendor Advisory"], "url": "https://jpn.nec.com/security-info/secinfo/nv21-010.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://jvn.jp/en/jp/JVN29739718/index.html"}], "sourceIdentifier": "vultures@jpcert.or.jp", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-Other"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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