{"id":"CVE-2017-0910","aliases":["EUVD-2017-1253","GHSA-6r66-34x7-46rg"],"status":"published","title":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation...","description":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01087,"percentile":0.65523,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287","CWE-863"],"published":"2017-11-27T16:00:00Z","modified":"2026-10-20T10:48:54Z","products":[{"vendor":"zulip","product":"zulip server"},{"vendor":"zulip","product":"zulip_server"}],"references":[{"url":"https://github.com/zulip/zulip/commit/960d736e55cbb9386a68e4ee45f80581fd2a4e32","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"http://blog.zulip.org/2017/11/23/zulip-1-7-1-released/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-0910"},{"url":"http://blog.zulip.org/2017/11/23/zulip-1-7-1-released"},{"url":"https://github.com/advisories/GHSA-6r66-34x7-46rg"}],"sources":{"cve":[{"id":"CVE-2017-0910","description":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.","status":"published","published":"2017-11-27T16:00:00Z","modified":"2024-09-17T01:26:15.105Z","cwes":["CWE-863"],"updated_at":"2026-11-02T14:33:22.699876Z"}],"euvd":[{"id":"EUVD-2017-1253","description":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.","status":"published","published":"2017-11-27T16:00:00Z","modified":"2024-09-17T01:26:15Z","updated_at":"2026-11-03T00:28:49.824577Z"}],"ghsa":[{"id":"GHSA-6r66-34x7-46rg","title":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation...","description":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.","status":"published","published":"2022-05-13T01:38:25Z","modified":"2025-04-20T03:50:16Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-287","CWE-863"],"updated_at":"2026-11-02T15:01:56.679657Z"}],"nvd":[{"id":"CVE-2017-0910","description":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.","status":"published","published":"2017-11-27T16:29:00.217Z","modified":"2026-06-17T00:58:30.68Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","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-863","CWE-287"],"updated_at":"2026-11-02T14:04:09.7374Z"}],"osv":[{"id":"CVE-2017-0910","description":"In Zulip Server before 1.7.1, on a server with multiple realms, a vulnerability in the invitation system lets an authorized user of one realm on the server create a user account on any other realm.","status":"published","published":"2017-11-27T16:29:00.217Z","modified":"2026-10-20T10:48:54.94037916Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:03.472693Z"}]}}