{ "id": "CVE-2021-3310", "sourceIdentifier": "cve@mitre.org", "published": "2021-03-10T05:15:13.517", "lastModified": "2021-03-17T17:42:35.880", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "Western Digital My Cloud OS 5 devices before 5.10.122 mishandle Symbolic Link Following on SMB and AFP shares. This can lead to code execution and information disclosure (by reading local files)." }, { "lang": "es", "value": "Los dispositivos Western Digital My Cloud OS 5 versiones anteriores a 5.10.122, manejan inapropiadamente recursos compartidos de Symbolic Link Following en SMB y AFP. Esto puede conllevar a una ejecuci\u00f3n de c\u00f3digo y divulgaci\u00f3n de informaci\u00f3n (mediante la lectura de archivos locales)" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "attackVector": "LOCAL", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P", "accessVector": "LOCAL", "accessComplexity": "LOW", "authentication": "NONE", "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "availabilityImpact": "PARTIAL", "baseScore": 4.6 }, "baseSeverity": "MEDIUM", "exploitabilityScore": 3.9, "impactScore": 6.4, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false } ] }, "weaknesses": [ { "source": "nvd@nist.gov", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-59" } ] } ], "configurations": [ { "operator": "AND", "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:westerndigital:my_cloud_os:*:*:*:*:*:*:*:*", "versionEndExcluding": "5.10.122", "matchCriteriaId": "EEB46759-686B-4B98-82BD-7FB90BF52A70" } ] }, { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_dl2100:-:*:*:*:*:*:*:*", "matchCriteriaId": "9E783EBC-7608-4527-B1AD-9B4E7A7A108C" }, { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_dl4100:-:*:*:*:*:*:*:*", "matchCriteriaId": "F3034F4A-239C-4E38-9BD6-217361A7C519" }, { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_ex2_ultra:-:*:*:*:*:*:*:*", "matchCriteriaId": "5A581EBA-A1F2-4ABC-8183-29973A46FA43" }, { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_ex2100:-:*:*:*:*:*:*:*", "matchCriteriaId": "ABBBDC1E-2320-4767-B669-1BB2FFB1E1C4" }, { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_ex4100:-:*:*:*:*:*:*:*", "matchCriteriaId": "B78030F0-6655-4604-9D16-2FA1F3FD52FF" }, { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_mirror_gen_2:-:*:*:*:*:*:*:*", "matchCriteriaId": "5695E842-1561-4A4F-901F-6EC07F558989" }, { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_pr2100:-:*:*:*:*:*:*:*", "matchCriteriaId": "BF58260B-2131-402C-A9DA-67B188136DE1" }, { "vulnerable": false, "criteria": "cpe:2.3:h:westerndigital:my_cloud_pr4100:-:*:*:*:*:*:*:*", "matchCriteriaId": "CB0C2FD9-4792-4DA2-9698-E53109A499EC" } ] } ] } ], "references": [ { "url": "https://www.westerndigital.com/support/productsecurity/wdc-21002-my-cloud-firmware-version-5-10-122", "source": "cve@mitre.org", "tags": [ "Vendor Advisory" ] }, { "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-277/", "source": "cve@mitre.org", "tags": [ "Third Party Advisory" ] } ] }