{"id":"CVE-2021-34685","aliases":["EUVD-2021-21335","GHSA-v548-fhp9-qm3w"],"status":"published","title":"UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify...","description":"UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify uploaded user files, which allows an authenticated user to upload various files of different file types. Specifically, a .jsp file is not allowed, but a .jsp. file is allowed (and leads to remote code execution).","severity":{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:H/S:U/UI:N","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.02322,"percentile":0.83691,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-11-08T03:37:53Z","modified":"2026-06-17T03:56:21Z","products":[{"vendor":"hitachi","product":"vantara_pentaho"}],"references":[{"url":"https://www.hitachi.com/hirt/security/index.html","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"http://packetstormsecurity.com/files/164775/Pentaho-Business-Analytics-Pentaho-Business-Server-9.1-Filename-Bypass.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34685"},{"url":"https://github.com/advisories/GHSA-v548-fhp9-qm3w"}],"sources":{"cve":[{"id":"CVE-2021-34685","description":"UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify uploaded user files, which allows an authenticated user to upload various files of different file types. Specifically, a .jsp file is not allowed, but a .jsp. file is allowed (and leads to remote code execution).","status":"published","published":"2021-11-08T03:37:53Z","modified":"2024-08-04T00:19:47.886Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:H/S:U/UI:N","level":"low","assessor":"cna"}],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21335","description":"UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify uploaded user files, which allows an authenticated user to upload various files of different file types. Specifically, a .jsp file is not allowed, but a .jsp. file is allowed (and leads to remote code execution).","status":"published","published":"2021-11-08T03:37:53Z","modified":"2024-08-04T00:19:47Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AC:L/AV:N/A:N/C:N/I:L/PR:H/S:U/UI:N","level":"low"}],"updated_at":"2026-11-03T03:24:32.445199Z"}],"ghsa":[{"id":"GHSA-v548-fhp9-qm3w","title":"UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify...","description":"UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify uploaded user files, which allows an authenticated user to upload various files of different file types. Specifically, a .jsp file is not allowed, but a .jsp. file is allowed (and leads to remote code execution).","status":"published","published":"2022-05-24T19:20:04Z","modified":"2023-01-30T05:03:49Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:54.738868Z"}],"nvd":[{"id":"CVE-2021-34685","description":"UploadService in Hitachi Vantara Pentaho Business Analytics through 9.1 does not properly verify uploaded user files, which allows an authenticated user to upload various files of different file types. Specifically, a .jsp file is not allowed, but a .jsp. file is allowed (and leads to remote code execution).","status":"published","published":"2021-11-08T04:15:08.377Z","modified":"2026-06-17T03:56:21.233Z","cvss":[{"version":"3.1","score":2.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N","level":"low","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}