{"id":"CVE-2020-8894","aliases":["EUVD-2020-29735","GHSA-q9r6-gp8h-jmc3"],"status":"published","title":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in...","description":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01399,"percentile":0.72822,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2020-02-11T00:00:00Z","modified":"2026-10-20T10:52:15Z","products":[{"vendor":"misp-project","product":"misp"}],"references":[{"url":"https://github.com/MISP/MISP/compare/v2.4.120...v2.4.121","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/MISP/MISP/commit/9400b8bc8699435d84508e598aca98a31affd77c","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://zigrin.com/advisories/misp-mishandling-of-discussion-threads-acls/","tags":["x_transferred","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8894"},{"url":"https://zigrin.com/advisories/misp-mishandling-of-discussion-threads-acls"},{"url":"https://github.com/advisories/GHSA-q9r6-gp8h-jmc3"}],"sources":{"cve":[{"id":"CVE-2020-8894","description":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.","status":"published","published":"2020-02-11T00:00:00Z","modified":"2024-08-04T10:12:10.972Z","updated_at":"2026-11-02T14:35:51.206854Z"}],"euvd":[{"id":"EUVD-2020-29735","description":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.","status":"published","published":"2020-02-11T00:00:00Z","modified":"2024-08-04T10:12:10Z","updated_at":"2026-11-03T03:07:55.71159Z"}],"ghsa":[{"id":"GHSA-q9r6-gp8h-jmc3","title":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in...","description":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.","status":"published","published":"2022-05-24T17:08:51Z","modified":"2026-06-22T21:31:45Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:08:56.903887Z"}],"nvd":[{"id":"CVE-2020-8894","description":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.","status":"published","published":"2020-02-12T00:15:09.89Z","modified":"2026-06-22T19:23:18.58Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:N","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:05:53.837808Z"}],"osv":[{"id":"CVE-2020-8894","description":"An issue was discovered in MISP before 2.4.121. ACLs for discussion threads were mishandled in app/Controller/ThreadsController.php and app/Model/Thread.php.","status":"published","published":"2020-02-12T00:15:09.89Z","modified":"2026-10-20T10:52:15.688792964Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:17.663289Z"}]}}