{ "id": "CVE-2021-20676", "sourceIdentifier": "vultures@jpcert.or.jp", "published": "2021-03-18T01:15:12.390", "lastModified": "2021-03-23T19:19:17.740", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "M-System DL8 series (type A (DL8-A) versions prior to Ver3.0, type B (DL8-B) versions prior to Ver3.0, type C (DL8-C) versions prior to Ver3.0, type D (DL8-D) versions prior to Ver3.0, and type E (DL8-E) versions prior to Ver3.0) allows remote authenticated attackers to bypass access restriction and conduct prohibited operations via unspecified vectors." }, { "lang": "es", "value": "Serie M-System DL8 (tipo A (DL8-A) anteriores a Ver3.0, tipo B (DL8-B) anteriores a Ver3.0, tipo C (DL8-C) anteriores a Ver3.0, tipo D (DL8-D) versiones anteriores a Ver3.0 y las tipo E (DL8-E) anteriores a Ver3.0) permiten a atacantes autenticados de forma remota omitir la restricci\u00f3n de acceso y llevar a cabo operaciones prohibidas por medio de vectores no especificados" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.8, "impactScore": 1.4 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "accessVector": "NETWORK", "accessComplexity": "LOW", "authentication": "SINGLE", "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "availabilityImpact": "NONE", "baseScore": 4.0 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 8.0, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-863" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:m-system:dl8-a_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.81", "matchCriteriaId": "2B7786F5-7A3C-4EF2-A0D3-562B96102AF8" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:m-system:dl8-a:-:*:*:*:*:*:*:*", "matchCriteriaId": "A81D7A6A-D046-45B5-BA43-43664E7EF971" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:m-system:dl8-b_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.77", "matchCriteriaId": "9327B151-A2FA-488D-9A89-287FDBC59ACB" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:m-system:dl8-b:-:*:*:*:*:*:*:*", "matchCriteriaId": "4064A9C3-0E52-4C5D-B977-8FB032DBAFD5" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:m-system:dl8-c_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.99", "matchCriteriaId": "826A1FA4-1946-410F-B965-D2D4D7F48FD2" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:m-system:dl8-c:-:*:*:*:*:*:*:*", "matchCriteriaId": "E95112D2-2808-4E20-902A-C16A7E1F5A3F" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:m-system:dl8-d_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.91", "matchCriteriaId": "46361610-8BC5-424B-998D-E3B4B6D19F04" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:m-system:dl8-d:-:*:*:*:*:*:*:*", "matchCriteriaId": "A63B2CDA-4509-46C4-A6D5-0BB4589C8A88" } ] } ] }, { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:m-system:dl8-e_firmware:*:*:*:*:*:*:*:*", "versionEndExcluding": "3.0.12", "matchCriteriaId": "B3E11E93-18EC-40A8-A466-33910BD66A87" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:m-system:dl8-e:-:*:*:*:*:*:*:*", "matchCriteriaId": "ACE11AD2-D6EB-47F4-AF8A-EE89FF1F9507" } ] } ] } ], "references": [ { "url": "https://jvn.jp/en/jp/JVN47497535/index.html", "source": "vultures@jpcert.or.jp", "tags": [ "Third Party Advisory" ] }, { "url": "https://www.m-system.co.jp/download_w/dl_dl8updaterE.html", "source": "vultures@jpcert.or.jp", "tags": [ "Vendor Advisory" ] } ] }