{"id":"CVE-2021-37417","aliases":["EUVD-2021-23982","GHSA-93vf-46j6-q3jh"],"status":"published","title":"Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper...","description":"Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation.","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":"2026-11-10","score":0.0475,"percentile":0.91953,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-20","CWE-287"],"published":"2021-08-30T18:25:43Z","modified":"2026-06-17T04:00:29Z","products":[{"vendor":"zohocorp","product":"manageengine_adselfservice_plus"}],"references":[{"url":"https://blog.stmcyber.com/vulns/cve-2021-37417/","tags":["x_refsource_MISC","x_transferred","Release Notes","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37417"},{"url":"https://github.com/advisories/GHSA-93vf-46j6-q3jh"}],"sources":{"cve":[{"id":"CVE-2021-37417","description":"Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation.","status":"published","published":"2021-08-30T18:25:43Z","modified":"2024-08-04T01:16:04.041Z","updated_at":"2026-11-02T14:32:58.028461Z"}],"euvd":[{"id":"EUVD-2021-23982","description":"Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation.","status":"published","published":"2021-08-30T18:25:43Z","modified":"2024-08-04T01:16:04Z","updated_at":"2026-11-03T03:24:27.725787Z"}],"ghsa":[{"id":"GHSA-93vf-46j6-q3jh","title":"Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper...","description":"Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation.","status":"published","published":"2022-05-24T19:12:26Z","modified":"2023-01-27T05:03:32Z","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-20"],"updated_at":"2026-11-02T14:42:16.196802Z"}],"nvd":[{"id":"CVE-2021-37417","description":"Zoho ManageEngine ADSelfService Plus version 6103 and prior allows CAPTCHA bypass due to improper parameter validation.","status":"published","published":"2021-08-30T19:15:09.177Z","modified":"2026-06-17T04:00:29.89Z","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":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:06:57.67549Z"}]}}