{"id":"CVE-2021-39230","aliases":["EUVD-2021-25599","GHSA-4538-4g86-xf6j"],"status":"published","title":"Error in JPNS kernel of Butter","description":"Butter is a system usability utility. Due to a kernel error the JPNS kernel is being discontinued. Affected users are recommend to update to the Trinity kernel. There are no workarounds.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00763,"percentile":0.55879,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20"],"published":"2021-09-21T16:55:12Z","modified":"2026-10-20T10:54:54Z","products":[{"vendor":"butter_project","product":"butter"},{"vendor":"frankenderman","product":"butter"}],"references":[{"url":"https://github.com/FrankEnderman/Butter/security/advisories/GHSA-4538-4g86-xf6j","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory","advisory"]},{"url":"https://github.com/FrankEnderman/Butter/commit/a4fd717e848306f04f2823ea5f617e4da9f5bbdb","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]}],"sources":{"cve":[{"id":"CVE-2021-39230","title":"Error in JPNS kernel of Butter","description":"Butter is a system usability utility. Due to a kernel error the JPNS kernel is being discontinued. Affected users are recommend to update to the Trinity kernel. There are no workarounds.","status":"published","published":"2021-09-21T16:55:12Z","modified":"2024-08-04T01:58:18.264Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:33:09.540052Z"}],"euvd":[{"id":"EUVD-2021-25599","description":"Butter is a system usability utility. Due to a kernel error the JPNS kernel is being discontinued. Affected users are recommend to update to the Trinity kernel. There are no workarounds.","status":"published","published":"2021-09-21T16:55:12Z","modified":"2024-08-04T01:58:18Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:23.719378Z"}],"nvd":[{"id":"CVE-2021-39230","description":"Butter is a system usability utility. Due to a kernel error the JPNS kernel is being discontinued. Affected users are recommend to update to the Trinity kernel. There are no workarounds.","status":"published","published":"2021-09-21T17:15:09.86Z","modified":"2026-06-17T04:03:21.707Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:06:58.933037Z"}],"osv":[{"id":"CVE-2021-39230","description":"Butter is a system usability utility. Due to a kernel error the JPNS kernel is being discontinued. Affected users are recommend to update to the Trinity kernel. There are no workarounds.","status":"published","published":"2021-09-21T17:15:09.86Z","modified":"2026-10-20T10:54:54.437028982Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:44:20.843843Z"}]}}