{"id":"CVE-2023-39809","aliases":["EUVD-2023-43509","GHSA-5fvp-953q-q2rj"],"status":"published","title":"N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a command injection vulnerability...","description":"N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.","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":0.01493,"percentile":0.74335,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-77"],"published":"2023-08-21T00:00:00Z","modified":"2026-07-09T01:18:36Z","products":[{"vendor":"nvki","product":"intelligent_broadband_subscriber_gateway"}],"references":[{"url":"https://github.com/maride"},{"url":"https://sec.maride.cc/posts/ibsg/"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-39809"},{"url":"http://ibsg.com"},{"url":"http://nvkinter.com"},{"url":"https://sec.maride.cc/posts/ibsg"},{"url":"https://github.com/advisories/GHSA-5fvp-953q-q2rj"}],"sources":{"cve":[{"id":"CVE-2023-39809","description":"N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.","status":"published","published":"2023-08-21T00:00:00Z","modified":"2026-07-09T00:27:50.545Z","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-77"],"updated_at":"2026-11-02T14:35:33.462059Z"}],"euvd":[{"id":"EUVD-2023-43509","description":"N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.","status":"published","published":"2023-08-21T00:00:00Z","modified":"2026-07-09T00:27:50Z","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"}],"updated_at":"2026-11-02T18:20:05.755223Z"}],"ghsa":[{"id":"GHSA-5fvp-953q-q2rj","title":"N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a command injection vulnerability...","description":"N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain a command injection vulnerability via the system_hostname parameter at /manage/network-basic.php.","status":"published","published":"2023-08-21T03:30:16Z","modified":"2026-07-05T18:31:39Z","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-77"],"updated_at":"2026-11-02T15:09:17.527527Z"}],"nvd":[{"id":"CVE-2023-39809","description":"N.V.K.INTER CO., LTD. (NVK) iBSG v3.5 was discovered to contain an OS command injection vulnerability via shell metacharacters in the system_hostname parameter at /manage/network-basic.php.","status":"published","published":"2023-08-21T01:15:09.55Z","modified":"2026-07-09T01:18:36.523Z","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"}],"cwes":["CWE-77"],"updated_at":"2026-11-02T14:08:24.487686Z"}]}}