{"id":"CVE-2023-40708","aliases":["EUVD-2023-45263","GHSA-g4pv-ghw3-xqxj"],"status":"published","title":"Improper Access Control in OPTO 22 SNAP PAC S1","description":"The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00477,"percentile":0.41507,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1188","CWE-284"],"published":"2023-08-24T16:08:23Z","modified":"2026-06-17T06:19:10Z","products":[{"vendor":"opto 22","product":"snap pac s1"},{"vendor":"opto22","product":"snap_pac_s1"},{"vendor":"opto22","product":"snap_pac_s1_firmware"}],"references":[{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-23-236-02","tags":["x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40708"},{"url":"https://github.com/advisories/GHSA-g4pv-ghw3-xqxj"}],"sources":{"cve":[{"id":"CVE-2023-40708","title":"Improper Access Control in OPTO 22 SNAP PAC S1","description":"The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.","status":"published","published":"2023-08-24T16:08:23.73Z","modified":"2024-10-02T20:20:36.186Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-1188"],"updated_at":"2026-11-02T14:35:21.612665Z"}],"euvd":[{"id":"EUVD-2023-45263","description":"The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.","status":"published","published":"2023-08-24T16:08:23Z","modified":"2024-10-02T20:20:36Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:27:55.180856Z"}],"ghsa":[{"id":"GHSA-g4pv-ghw3-xqxj","title":"The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10...","description":"The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.","status":"published","published":"2023-08-24T18:30:51Z","modified":"2024-09-11T18:32:01Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"cwes":["CWE-284","CWE-1188"],"updated_at":"2026-11-02T14:58:14.100374Z"}],"nvd":[{"id":"CVE-2023-40708","description":"The File Transfer Protocol (FTP) port is open by default in the SNAP PAC S1 Firmware version R10.3b. This could allow an adversary to access some device files.","status":"published","published":"2023-08-24T17:15:09.067Z","modified":"2026-06-17T06:19:10.537Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-1188"],"updated_at":"2026-11-02T14:08:25.025396Z"}]}}