{"id":"CVE-2021-27904","aliases":["EUVD-2021-14639","GHSA-672j-7w35-wcrv"],"status":"published","title":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the...","description":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the \"all org\" flag sometimes provided view access to unintended actors.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.0029,"percentile":0.21768,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2021-03-02T06:58:00Z","modified":"2026-10-20T10:53:41Z","products":[{"vendor":"misp-project","product":"misp"}],"references":[{"url":"https://github.com/MISP/MISP/commit/ca13fee271ad126832c88896776f3050a6c06e64","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-27904"},{"url":"https://github.com/advisories/GHSA-672j-7w35-wcrv"}],"sources":{"cve":[{"id":"CVE-2021-27904","description":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the \"all org\" flag sometimes provided view access to unintended actors.","status":"published","published":"2021-03-02T06:58:00Z","modified":"2024-08-03T21:33:16.495Z","updated_at":"2026-11-02T14:33:04.679189Z"}],"euvd":[{"id":"EUVD-2021-14639","description":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the \"all org\" flag sometimes provided view access to unintended actors.","status":"published","published":"2021-03-02T06:58:00Z","modified":"2024-08-03T21:33:16Z","updated_at":"2026-11-03T03:24:48.366655Z"}],"ghsa":[{"id":"GHSA-672j-7w35-wcrv","title":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the...","description":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the \"all org\" flag sometimes provided view access to unintended actors.","status":"published","published":"2022-05-24T17:43:29Z","modified":"2026-06-22T21:31:45Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:08:56.903887Z"}],"nvd":[{"id":"CVE-2021-27904","description":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the \"all org\" flag sometimes provided view access to unintended actors.","status":"published","published":"2021-03-02T07:15:12.76Z","modified":"2026-06-22T19:23:18.58Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":2.1,"vector":"AV:L/AC:L/Au:N/C:P/I:N/A:N","level":"low","assessor":"primary"}],"updated_at":"2026-11-02T14:06:50.399901Z"}],"osv":[{"id":"CVE-2021-27904","description":"An issue was discovered in app/Model/SharingGroupServer.php in MISP 2.4.139. In the implementation of Sharing Groups, the \"all org\" flag sometimes provided view access to unintended actors.","status":"published","published":"2021-03-02T07:15:12.76Z","modified":"2026-10-20T10:53:41.198966872Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:19.129331Z"}]}}