CVE-2021-36539

{"id": "CVE-2021-36539", "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 6.5, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "LOW", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 2.8}]}, "published": "2023-01-26T21:15:23.730", "references": [{"url": "https://github.com/gaukas/instructure-canvas-file-oracle", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://github.com/instructure/canvas-lms/issues/1905", "tags": ["Exploit", "Third Party Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-639"}]}], "descriptions": [{"lang": "en", "value": "Instructure Canvas LMS didn't properly deny access to locked/unpublished files when the unprivileged user access the DocViewer based file preview URL (canvadoc_session_url)."}], "lastModified": "2024-01-25T02:19:33.893", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:instructure:canvas_learning_management_service:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "64B90B12-957C-4A19-BFFA-DC8983B4AA2D", "versionEndExcluding": "2022-10-15"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}