{"id":"CVE-2021-37421","aliases":["EUVD-2021-23986","GHSA-ph4j-7hhh-88v8"],"status":"published","title":"Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access...","description":"Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access-restriction bypass.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02494,"percentile":0.84881,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-345","CWE-863"],"published":"2021-08-30T18:30:22Z","modified":"2026-06-17T04:00:30Z","products":[{"vendor":"zohocorp","product":"manageengine_adselfservice_plus"}],"references":[{"url":"https://pitstop.manageengine.com/portal/en/community/topic/adselfservice-plus-6104-released-with-an-important-security-fixes","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://blog.stmcyber.com/vulns/cve-2021-37421/","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37421"},{"url":"https://github.com/advisories/GHSA-ph4j-7hhh-88v8"}],"sources":{"cve":[{"id":"CVE-2021-37421","description":"Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access-restriction bypass.","status":"published","published":"2021-08-30T18:30:22Z","modified":"2024-08-04T01:16:03.792Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-23986","description":"Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access-restriction bypass.","status":"published","published":"2021-08-30T18:30:22Z","modified":"2024-08-04T01:16:03Z","updated_at":"2026-11-03T03:24:27.725787Z"}],"ghsa":[{"id":"GHSA-ph4j-7hhh-88v8","title":"Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access...","description":"Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access-restriction bypass.","status":"published","published":"2022-05-24T19:12:26Z","modified":"2023-01-27T05:03:21Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-863"],"updated_at":"2026-11-02T14:42:13.826528Z"}],"nvd":[{"id":"CVE-2021-37421","description":"Zoho ManageEngine ADSelfService Plus 6103 and prior is vulnerable to admin portal access-restriction bypass.","status":"published","published":"2021-08-30T19:15:09.22Z","modified":"2026-06-17T04:00:30.283Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-345"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}