{"id":"CVE-2021-30121","aliases":["EUVD-2021-17061","GHSA-v66q-p7rm-w9w6"],"status":"published","title":"(Semi-)Authenticated local file inclusion in Kaseya VSA \u003c v9.5.6","description":"Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Example request: `https://x.x.x.x/KLC/js/Kaseya.SB.JS/js.aspx?path=C:\\Kaseya\\WebPages\\dl.asp` A valid sessionId is required but can be easily obtained via CVE-2021-30118","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.04962,"percentile":0.92301,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-829"],"published":"2021-07-09T13:24:28Z","modified":"2026-06-17T03:49:42Z","products":[{"vendor":"kaseya","product":"vsa"}],"references":[{"url":"https://csirt.divd.nl/2021/07/07/Kaseya-Limited-Disclosure/","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://csirt.divd.nl/DIVD-2021-00011","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory"]},{"url":"https://csirt.divd.nl/CVE-2021-30121","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30121"},{"url":"https://github.com/advisories/GHSA-v66q-p7rm-w9w6"}],"sources":{"cve":[{"id":"CVE-2021-30121","title":"(Semi-)Authenticated local file inclusion in Kaseya VSA \u003c v9.5.6","description":"Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Example request: `https://x.x.x.x/KLC/js/Kaseya.SB.JS/js.aspx?path=C:\\Kaseya\\WebPages\\dl.asp` A valid sessionId is required but can be easily obtained via CVE-2021-30118","status":"published","published":"2021-07-09T13:24:28Z","modified":"2024-08-03T22:24:59.547Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"cna"}],"updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-17061","description":"Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Example request: `https://x.x.x.x/KLC/js/Kaseya.SB.JS/js.aspx?path=C:\\Kaseya\\WebPages\\dl.asp` A valid sessionId is required but can be easily obtained via CVE-2021-30118","status":"published","published":"2021-07-09T13:24:28Z","modified":"2024-08-03T22:24:59Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T03:24:42.963555Z"}],"ghsa":[{"id":"GHSA-v66q-p7rm-w9w6","title":"Local file inclusion exists in Kaseya VSA before 9.5.6.","description":"Local file inclusion exists in Kaseya VSA before 9.5.6.","status":"published","published":"2022-05-24T19:07:22Z","modified":"2023-01-30T05:00:40Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T14:46:14.926249Z"}],"nvd":[{"id":"CVE-2021-30121","description":"Semi-authenticated local file inclusion The contents of arbitrary files can be returned by the webserver Example request: `https://x.x.x.x/KLC/js/Kaseya.SB.JS/js.aspx?path=C:\\Kaseya\\WebPages\\dl.asp` A valid sessionId is required but can be easily obtained via CVE-2021-30118","status":"published","published":"2021-07-09T14:15:07.93Z","modified":"2026-06-17T03:49:42.293Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-829"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}