{"schema":"threatline.record/2","record":{"id":"CVE-2021-44515","aliases":[],"summary":"Zoho Desktop Central Authentication Bypass Vulnerability","details":"Zoho Desktop Central contains an authentication bypass vulnerability that could allow an attacker to execute arbitrary code in the Desktop Central MSP server.","categories":["Applications & CMS"],"product":"Desktop Central","vendor":"Zoho","ecosystem":null,"affected_ranges":[{"source":"CVE List","source_url":"https://www.cve.org/CVERecord?id=CVE-2021-44515","source_modified_at":"2025-10-21T23:25:22.936Z","fetched_at":"2026-10-23T18:42:43.628194Z","product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}],"defaultStatus":null}],"fixed_versions":[],"cvss":9.8,"severity":"Critical","kev":{"listed":true,"date_added":"2021-12-10","due_date":"2021-12-24","required_action":"Apply updates per vendor instructions.","ransomware_campaign_use":"Unknown"},"epss":{"probability":0.99871,"percentile":0.99964,"score_date":"2026-10-23"},"published_at":"2021-12-12T04:04:55.000Z","modified_at":"2025-10-21T23:25:22.936Z","provenance":[{"source":"CISA KEV","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23T17:00:09.9001Z"},{"source":"CVE List","url":"https://www.cve.org/CVERecord?id=CVE-2021-44515","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2025-10-21T23:25:22.936Z"},{"source":"Nuclei","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-44515.yaml","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":null},{"source":"EPSS","url":"https://api.first.org/data/v1/epss?cve=CVE-2021-44515","fetched_at":"2026-10-23T18:42:43.628194Z","source_modified_at":"2026-10-23"}],"sources":["CISA KEV","CVE List","Nuclei","EPSS"],"references":[{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-44515","source":"CISA KEV"},{"source":"CVE List","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"]},{"source":"CVE List","url":"https://www.manageengine.com/products/desktop-central/cve-2021-44515-authentication-bypass-filter-configuration.html","tags":["x_refsource_CONFIRM","x_transferred"]},{"source":"CVE List","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"]},{"source":"CVE List","url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-44515","tags":["government-resource"]}],"locations":[],"motoko_assessment":{"status":"requires_architecture_review","automatic_remediation":false},"cve_state":"PUBLISHED","cvss_source":"CISA ADP","ssvc":{"exploitation":"active","automatable":"yes","technical_impact":"total","assessed_at":"2025-02-04T19:29:44.948614Z"},"exploits":[{"source":"Nuclei","kind":"Scanner template","name":"Zoho ManageEngine Desktop Central - Remote Code Execution","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-44515.yaml"}],"classification":{"method":"product-first software-layer rules","rules_version":"2.1","matched_on":"vendor and product","confidence":"heuristic","reviewed":false},"change_timestamp":"2025-10-21T23:25:22.936Z","content_hash":"169c2d86706ddd52b01a0ca9e642ef3fb22e7987593346332afd08faefe349e6"}}