{"id":"CVE-2021-36380","aliases":["EUVD-2021-22996","GHSA-76jq-2jjj-76w4"],"status":"published","title":"Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell...","description":"Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.","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":0.97832,"percentile":0.99907,"model":"v2026.06.15"},"facts":{"in_kev":true,"known_exploited":true,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-08-13T15:53:59Z","modified":"2026-06-17T03:58:46Z","kev":{"date_added":"2024-03-05","due_date":"2024-03-26","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"exploitation":[{"source":"euvd","since":"2024-03-05"},{"source":"kev","since":"2024-03-05"}],"exploits":[{"source":"nuclei","id":"CVE-2021-36380","title":"Sunhillo SureLine \u003c8.7.0.1.1 - Unauthenticated OS Command Injection","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-36380.yaml"}],"products":[{"vendor":"sunhillo","product":"sureline"}],"references":[{"url":"https://www.sunhillo.com/product/sureline/","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://research.nccgroup.com/2021/07/26/technical-advisory-sunhillo-sureline-unauthenticated-os-command-injection-cve-2021-36380/","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-36380","tags":["government-resource","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36380"},{"url":"https://research.nccgroup.com/2021/07/26/technical-advisory-sunhillo-sureline-unauthenticated-os-command-injection-cve-2021-36380"},{"url":"https://www.sunhillo.com/product/sureline"},{"url":"https://github.com/advisories/GHSA-76jq-2jjj-76w4"}],"sources":{"cve":[{"id":"CVE-2021-36380","description":"Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.","status":"published","published":"2021-08-13T15:53:59Z","modified":"2025-10-21T23:25:38.162Z","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"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:33:05.989686Z"}],"euvd":[{"id":"EUVD-2021-22996","description":"Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.","status":"published","published":"2021-08-13T15:53:59Z","modified":"2025-10-21T23:25:38Z","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":"2024-03-05","updated_at":"2026-11-02T20:31:25.901288Z"}],"ghsa":[{"id":"GHSA-76jq-2jjj-76w4","title":"Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell...","description":"Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.","status":"published","published":"2022-05-24T19:11:04Z","modified":"2025-10-22T00:32:19Z","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-78"],"updated_at":"2026-11-02T15:04:05.344883Z"}],"kev":[{"id":"CVE-2021-36380","title":"Sunhillo SureLine OS Command Injection Vulnerablity","description":"Sunhillo SureLine contains an OS command injection vulnerability that allows an attacker to cause a denial-of-service or utilize the device for persistence on the network via shell metacharacters in ipAddr or dnsAddr in /cgi/networkDiag.cgi.","cwes":["CWE-78"],"kev":{"date_added":"2024-03-05","due_date":"2024-03-26","required_action":"Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.","known_ransomware_use":"Unknown"},"updated_at":"2026-11-02T17:00:16.234141Z"}],"nvd":[{"id":"CVE-2021-36380","description":"Sunhillo SureLine before 8.7.0.1.1 allows Unauthenticated OS Command Injection via shell metacharacters in ipAddr or dnsAddr /cgi/networkDiag.cgi.","status":"published","published":"2021-08-13T16:15:07.607Z","modified":"2026-06-17T03:58:46.613Z","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"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:56.943671Z"}]}}