{"api_version":"1","generated_at":"2026-07-23T23:41:28+00:00","cve":"CVE-2021-32833","urls":{"html":"https://cve.report/CVE-2021-32833","api":"https://cve.report/api/cve/CVE-2021-32833.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-32833","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32833"},"summary":{"title":"CVE-2021-32833","description":"Emby Server is a personal media server with apps on many devices. In Emby Server on Windows there is a set of arbitrary file read vulnerabilities. This vulnerability is known to exist in version 4.6.4.0 and may not be patched in later versions. Known vulnerable routes are /Videos/Id/hls/PlaylistId/SegmentId.SegmentContainer, /Images/Ratings/theme/name and /Images/MediaInfo/theme/name. For more details including proof of concept code, refer to the referenced GHSL-2021-051. This issue may lead to unauthorized access to the system especially when Emby Server is configured to be accessible from the Internet.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2021-09-09 02:15:00","updated_at":"2021-09-16 14:22:00"},"problem_types":["CWE-552"],"metrics":[],"references":[{"url":"https://securitylab.github.com/advisories/GHSL-2021-051-emby/","name":"https://securitylab.github.com/advisories/GHSL-2021-051-emby/","refsource":"CONFIRM","tags":[],"title":"GHSL-2021-051: Unauthenticated file read in Emby Server - CVE-2021-32833 | GitHub Security Lab","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32833","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32833","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"32833","vulnerable":"1","versionEndIncluding":"4.6.4.0","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"emby","cpe5":"emby.releases","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-32833","STATE":"PUBLIC","TITLE":"Unauthenticated file read in Emby Server"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"Emby.Releases","version":{"version_data":[{"version_value":"<= 4.6.4.0"}]}}]},"vendor_name":"MediaBrowser"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Emby Server is a personal media server with apps on many devices. In Emby Server on Windows there is a set of arbitrary file read vulnerabilities. This vulnerability is known to exist in version 4.6.4.0 and may not be patched in later versions. Known vulnerable routes are /Videos/Id/hls/PlaylistId/SegmentId.SegmentContainer, /Images/Ratings/theme/name and /Images/MediaInfo/theme/name. For more details including proof of concept code, refer to the referenced GHSL-2021-051. This issue may lead to unauthorized access to the system especially when Emby Server is configured to be accessible from the Internet."}]},"generator":{"engine":"Vulnogram 0.0.9"},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-552 Files or Directories Accessible to External Parties"}]}]},"references":{"reference_data":[{"name":"https://securitylab.github.com/advisories/GHSL-2021-051-emby/","refsource":"CONFIRM","url":"https://securitylab.github.com/advisories/GHSL-2021-051-emby/"}]},"source":{"defect":["GHSL-2021-051"],"discovery":"INTERNAL"}},"nvd":{"publishedDate":"2021-09-09 02:15:00","lastModifiedDate":"2021-09-16 14:22:00","problem_types":["CWE-552"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"HIGH","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":8.6,"baseSeverity":"HIGH"},"exploitabilityScore":3.9,"impactScore":4},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:P/I:N/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"NONE","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:emby:emby.releases:*:*:*:*:*:*:*:*","versionEndIncluding":"4.6.4.0","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"32833","Ordinal":"208221","Title":"CVE-2021-32833","CVE":"CVE-2021-32833","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"32833","Ordinal":"1","NoteData":"Emby Server is a personal media server with apps on many devices. In Emby Server on Windows there is a set of arbitrary file read vulnerabilities. This vulnerability is known to exist in version 4.6.4.0 and may not be patched in later versions. Known vulnerable routes are /Videos/Id/hls/PlaylistId/SegmentId.SegmentContainer, /Images/Ratings/theme/name and /Images/MediaInfo/theme/name. For more details including proof of concept code, refer to the referenced GHSL-2021-051. This issue may lead to unauthorized access to the system especially when Emby Server is configured to be accessible from the Internet.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"32833","Ordinal":"2","NoteData":"2021-09-08","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"32833","Ordinal":"3","NoteData":"2021-09-08","Type":"Other","Title":"Modified"}]}}}