{"id":"CVE-2021-42099","aliases":["EUVD-2021-29085","GHSA-pf6c-6jfw-4cwc"],"status":"published","title":"Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.","description":"Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.","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":"2026-11-12","score":0.06759,"percentile":0.94064,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-11-30T18:47:17Z","modified":"2026-06-17T04:09:18Z","products":[{"vendor":"zohocorp","product":"manageengine_m365_manager_plus"}],"references":[{"url":"https://www.manageengine.com","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://www.manageengine.com/microsoft-365-management-reporting/release-notes.html#4421","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-42099"},{"url":"https://github.com/advisories/GHSA-pf6c-6jfw-4cwc"}],"sources":{"cve":[{"id":"CVE-2021-42099","description":"Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.","status":"published","published":"2021-11-30T18:47:17Z","modified":"2024-08-04T03:22:26.057Z","updated_at":"2026-11-02T14:32:58.739039Z"}],"euvd":[{"id":"EUVD-2021-29085","description":"Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.","status":"published","published":"2021-11-30T18:47:17Z","modified":"2024-08-04T03:22:26Z","updated_at":"2026-11-03T03:24:16.217613Z"}],"ghsa":[{"id":"GHSA-pf6c-6jfw-4cwc","title":"Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.","description":"Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.","status":"published","published":"2021-12-01T00:00:39Z","modified":"2023-02-01T05:06:44Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:50:24.546925Z"}],"nvd":[{"id":"CVE-2021-42099","description":"Zoho ManageEngine M365 Manager Plus before 4421 is vulnerable to file-upload remote code execution.","status":"published","published":"2021-11-30T19:15:09.14Z","modified":"2026-06-17T04:09:18.96Z","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-434"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}