{ "id": "CVE-2021-3915", "sourceIdentifier": "security@huntr.dev", "published": "2021-11-13T10:15:07.927", "lastModified": "2021-11-17T18:56:17.297", "vulnStatus": "Analyzed", "descriptions": [ { "lang": "en", "value": "bookstack is vulnerable to Unrestricted Upload of File with Dangerous Type" }, { "lang": "es", "value": "bookstack es vulnerable a una Carga no Restringida de Archivos de Tipo Peligroso" } ], "metrics": { "cvssMetricV31": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:N/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 5.7, "baseSeverity": "MEDIUM" }, "exploitabilityScore": 2.1, "impactScore": 3.6 } ], "cvssMetricV30": [ { "source": "security@huntr.dev", "type": "Secondary", "cvssData": { "version": "3.0", "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:H", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "availabilityImpact": "HIGH", "baseScore": 7.6, "baseSeverity": "HIGH" }, "exploitabilityScore": 2.1, "impactScore": 5.5 } ], "cvssMetricV2": [ { "source": "nvd@nist.gov", "type": "Primary", "cvssData": { "version": "2.0", "vectorString": "AV:N/AC:M/Au:S/C:P/I:N/A:N", "accessVector": "NETWORK", "accessComplexity": "MEDIUM", "authentication": "SINGLE", "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "availabilityImpact": "NONE", "baseScore": 3.5 }, "baseSeverity": "LOW", "exploitabilityScore": 6.8, "impactScore": 2.9, "acInsufInfo": false, "obtainAllPrivilege": false, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true } ] }, "weaknesses": [ { "source": "security@huntr.dev", "type": "Primary", "description": [ { "lang": "en", "value": "CWE-434" } ] } ], "configurations": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:a:bookstackapp:bookstack:*:*:*:*:*:*:*:*", "versionEndExcluding": "21.10.3", "matchCriteriaId": "8A95589D-22C1-4F53-827C-5CB7BD5B1D1E" } ] } ] } ], "references": [ { "url": "https://github.com/bookstackapp/bookstack/commit/ae155d67454d6b9f6c93b2bb457aaa4b2eb1a9ed", "source": "security@huntr.dev", "tags": [ "Patch", "Third Party Advisory" ] }, { "url": "https://huntr.dev/bounties/fcb65f2d-257a-46f4-bac9-f6ded5649079", "source": "security@huntr.dev", "tags": [ "Exploit", "Patch", "Third Party Advisory" ] } ] }