{"id":"CVE-2020-7357","aliases":["EUVD-2020-28484","GHSA-7qhp-fg3p-fvch"],"status":"published","title":"Cayin CMS Command Injection","description":"Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.","severity":{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.32094,"percentile":0.98325,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-78"],"published":"2020-08-06T15:45:28Z","modified":"2026-06-17T03:24:45Z","exploits":[{"source":"metasploit","id":"exploit/linux/http/cayin_cms_ntp","title":"Cayin CMS NTP Server RCE","type":"exploit","platform":"Linux","date":"2020-06-04","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/linux/http/cayin_cms_ntp"}],"products":[{"vendor":"cayin technology","product":"cayin cms"},{"vendor":"cayin technology","product":"cayin cms-20"},{"vendor":"cayin technology","product":"cayin cms-40"},{"vendor":"cayin technology","product":"cayin cms-60"},{"vendor":"cayin technology","product":"cayin cms-se"},{"vendor":"cayintech","product":"cms"},{"vendor":"cayintech","product":"cms-20_firmware"},{"vendor":"cayintech","product":"cms-40_firmware"},{"vendor":"cayintech","product":"cms-60_firmware"},{"vendor":"cayintech","product":"cms-se-lxc_firmware"},{"vendor":"cayintech","product":"cms-se_firmware"}],"references":[{"url":"https://github.com/rapid7/metasploit-framework/pull/13607","tags":["x_refsource_MISC","x_transferred","Exploit","Patch"]},{"url":"https://www.zeroscience.mk/en/vulnerabilities/ZSL-2020-5570.php","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/182925","tags":["vendor-advisory","x_refsource_IBM","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-7357"},{"url":"https://github.com/advisories/GHSA-7qhp-fg3p-fvch"}],"sources":{"cve":[{"id":"CVE-2020-7357","title":"Cayin CMS Command Injection","description":"Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.","status":"published","published":"2020-08-06T15:45:28.433Z","modified":"2024-09-17T03:12:42.262Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:35:58.331892Z"}],"euvd":[{"id":"EUVD-2020-28484","description":"Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.","status":"published","published":"2020-08-06T15:45:28Z","modified":"2024-09-17T03:12:42Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical"}],"updated_at":"2026-11-03T00:28:33.76418Z"}],"ghsa":[{"id":"GHSA-7qhp-fg3p-fvch","title":"Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using...","description":"Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.","status":"published","published":"2022-05-24T17:25:01Z","modified":"2023-07-27T15:30:34Z","cvss":[{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:54:43.067561Z"}],"nvd":[{"id":"CVE-2020-7357","description":"Cayin CMS suffers from an authenticated OS semi-blind command injection vulnerability using default credentials. This can be exploited to inject and execute arbitrary shell commands as the root user through the 'NTP_Server_IP' HTTP POST parameter in system.cgi page. This issue affects several branches and versions of the CMS application, including CME-SE, CMS-60, CMS-40, CMS-20, and CMS version 8.2, 8.0, and 7.5.","status":"published","published":"2020-08-06T16:15:13.67Z","modified":"2026-06-17T03:24:45.693Z","cvss":[{"version":"3.1","score":9.6,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:N","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.9,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}