{"id":"CVE-2021-44515","aliases":["EUVD-2021-31348","GHSA-wrwj-r75g-4vx9"],"status":"published","title":"Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code...","description":"Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code execution on the server, as exploited in the wild in December 2021. For Enterprise builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For Enterprise builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3. For MSP builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For MSP builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3.","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":"2026-11-09","score":0.99871,"percentile":0.99963,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-12-12T04:04:55Z","modified":"2026-06-17T04:12:29Z","kev":{"date_added":"2021-12-10","due_date":"2021-12-24","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2021-12-10"},{"source":"kev","since":"2021-12-10"}],"exploits":[{"source":"nuclei","id":"CVE-2021-44515","title":"Zoho ManageEngine Desktop Central - Remote Code Execution","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-44515.yaml"}],"products":[{"vendor":"zoho","product":"desktop central"},{"vendor":"zohocorp","product":"manageengine_desktop_central"}],"references":[{"url":"https://pitstop.manageengine.com/portal/en/community/topic/an-authentication-bypass-vulnerability-identified-and-fixed-in-desktop-central-and-desktop-central-msp","tags":["x_refsource_CONFIRM","x_transferred","Issue Tracking","Vendor Advisory"]},{"url":"https://www.manageengine.com/products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch","Vendor Advisory"]},{"url":"https://www.cisa.gov/uscert/ncas/current-activity/2021/12/10/cisa-adds-thirteen-known-exploited-vulnerabilities-catalog","tags":["x_refsource_MISC","x_transferred","Broken Link","Third Party Advisory","US Government Resource"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44515","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44515"},{"url":"https://github.com/advisories/GHSA-wrwj-r75g-4vx9"}],"sources":{"cve":[{"id":"CVE-2021-44515","description":"Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code execution on the server, as exploited in the wild in December 2021. For Enterprise builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For Enterprise builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3. For MSP builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For MSP builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3.","status":"published","published":"2021-12-12T04:04:55Z","modified":"2025-10-21T23:25:22.936Z","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":"adp"}],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-31348","description":"Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code execution on the server, as exploited in the wild in December 2021. For Enterprise builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For Enterprise builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3. For MSP builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For MSP builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3.","status":"published","published":"2021-12-12T04:04:55Z","modified":"2025-10-21T23:25:22Z","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"}],"exploited_since":"2021-12-10","updated_at":"2026-11-02T20:31:25.901288Z"}],"ghsa":[{"id":"GHSA-wrwj-r75g-4vx9","title":"Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code...","description":"Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code execution on the server, as exploited in the wild in December 2021. For Enterprise builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For Enterprise builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3. For MSP builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For MSP builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3.","status":"published","published":"2021-12-13T00:00:34Z","modified":"2025-10-22T00:33:30Z","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-287"],"updated_at":"2026-11-02T15:04:08.198655Z"}],"kev":[{"id":"CVE-2021-44515","title":"Zoho Desktop Central Authentication Bypass Vulnerability","description":"Zoho Desktop Central contains an authentication bypass vulnerability that could allow an attacker to execute arbitrary code in the Desktop Central MSP server.","kev":{"date_added":"2021-12-10","due_date":"2021-12-24","required_action":"Apply updates per vendor instructions.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.541131Z"}],"nvd":[{"id":"CVE-2021-44515","description":"Zoho ManageEngine Desktop Central is vulnerable to authentication bypass, leading to remote code execution on the server, as exploited in the wild in December 2021. For Enterprise builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For Enterprise builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3. For MSP builds 10.1.2127.17 and earlier, upgrade to 10.1.2127.18. For MSP builds 10.1.2128.0 through 10.1.2137.2, upgrade to 10.1.2137.3.","status":"published","published":"2021-12-12T05:15:07.997Z","modified":"2026-06-17T04:12:29.943Z","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":"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":"secondary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:07:02.189991Z"}]}}