{"id":"CVE-2021-44515","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-44515","generatedAt":"2026-10-31T14:08:25.165Z","title":"Zoho Desktop Central Authentication Bypass Vulnerability","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.","published":"2021-12-12T05:15:08.000Z","lastModified":"2026-06-17T04:12:30.000Z","status":"Analyzed","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["zohocorp/manageengine desktop central"],"epss":{"score":0.99871,"percentile":0.99963,"date":"2026-10-30","history":[]},"kev":{"listed":true,"dateAdded":"2021-12-10","dueDate":"2021-12-24","knownRansomwareCampaignUse":"Unknown","notes":"Apply updates per vendor instructions.\nhttps://nvd.nist.gov/vuln/detail/CVE-2021-44515"},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 December 2021). Treat as an emergency change: patch or isolate now, then hunt for prior compromise."},"changes":[],"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":["Issue Tracking","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://www.cisa.gov/uscert/ncas/current-activity/2021/12/10/cisa-adds-thirteen-known-exploited-vulnerabilities-catalog","tags":["Broken Link","Third Party Advisory","US Government Resource"],"source":"cve@mitre.org"},{"url":"https://www.manageengine.com/products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html","tags":["Exploit","Patch","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://pitstop.manageengine.com/portal/en/community/topic/an-authentication-bypass-vulnerability-identified-and-fixed-in-desktop-central-and-desktop-central-msp","tags":["Issue Tracking","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/uscert/ncas/current-activity/2021/12/10/cisa-adds-thirteen-known-exploited-vulnerabilities-catalog","tags":["Broken Link","Third Party Advisory","US Government Resource"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.manageengine.com/products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html","tags":["Exploit","Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44515","tags":["US Government Resource"],"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-44515","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}