{"id":"CVE-2020-29054","aliases":["EUVD-2020-21436","GHSA-cf3w-c88r-w8cf"],"status":"published","title":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P,...","description":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices. Attackers can use \"show system infor\" to discover cleartext TELNET credentials.","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":"2026-11-11","score":0.01372,"percentile":0.72317,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-522"],"published":"2020-11-24T21:01:14Z","modified":"2026-06-17T03:11:01Z","products":[{"vendor":"cdatatec","product":"72408a_firmware"},{"vendor":"cdatatec","product":"9008a_firmware"},{"vendor":"cdatatec","product":"9016a_firmware"},{"vendor":"cdatatec","product":"92408a_firmware"},{"vendor":"cdatatec","product":"92416a_firmware"},{"vendor":"cdatatec","product":"9288_firmware"},{"vendor":"cdatatec","product":"97016_firmware"},{"vendor":"cdatatec","product":"97024p_firmware"},{"vendor":"cdatatec","product":"97028p_firmware"},{"vendor":"cdatatec","product":"97042p_firmware"},{"vendor":"cdatatec","product":"97084p_firmware"},{"vendor":"cdatatec","product":"97168p_firmware"},{"vendor":"cdatatec","product":"fd1002s_firmware"},{"vendor":"cdatatec","product":"fd1104_firmware"},{"vendor":"cdatatec","product":"fd1104b_firmware"},{"vendor":"cdatatec","product":"fd1104s_firmware"},{"vendor":"cdatatec","product":"fd1104sn_firmware"},{"vendor":"cdatatec","product":"fd1108s_firmware"},{"vendor":"cdatatec","product":"fd1204s-r2_firmware"},{"vendor":"cdatatec","product":"fd1204sn-r2_firmware"},{"vendor":"cdatatec","product":"fd1204sn_firmware"},{"vendor":"cdatatec","product":"fd1208s-r2_firmware"},{"vendor":"cdatatec","product":"fd1216s-r1_firmware"},{"vendor":"cdatatec","product":"fd1608gs_firmware"},{"vendor":"cdatatec","product":"fd1608sn_firmware"},{"vendor":"cdatatec","product":"fd1616gs_firmware"},{"vendor":"cdatatec","product":"fd1616sn_firmware"},{"vendor":"cdatatec","product":"fd8000_firmware"}],"references":[{"url":"https://pierrekim.github.io/blog/2020-07-07-cdata-olt-0day-vulnerabilities.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-29054"},{"url":"https://github.com/advisories/GHSA-cf3w-c88r-w8cf"}],"sources":{"cve":[{"id":"CVE-2020-29054","description":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices. Attackers can use \"show system infor\" to discover cleartext TELNET credentials.","status":"published","published":"2020-11-24T21:01:14Z","modified":"2024-08-04T16:48:01.253Z","updated_at":"2026-11-02T14:35:55.460269Z"}],"euvd":[{"id":"EUVD-2020-21436","description":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices. Attackers can use \"show system infor\" to discover cleartext TELNET credentials.","status":"published","published":"2020-11-24T21:01:14Z","modified":"2024-08-04T16:48:01Z","updated_at":"2026-11-03T03:07:08.475588Z"}],"ghsa":[{"id":"GHSA-cf3w-c88r-w8cf","title":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P,...","description":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices. Attackers can use \"show system infor\" to discover cleartext TELNET credentials.","status":"published","published":"2022-05-24T17:34:54Z","modified":"2023-01-29T05:04:51Z","cwes":["CWE-522"],"updated_at":"2026-11-02T14:45:39.24589Z"}],"nvd":[{"id":"CVE-2020-29054","description":"An issue was discovered on CDATA 72408A, 9008A, 9016A, 92408A, 92416A, 9288, 97016, 97024P, 97028P, 97042P, 97084P, 97168P, FD1002S, FD1104, FD1104B, FD1104S, FD1104SN, FD1108S, FD1204S-R2, FD1204SN, FD1204SN-R2, FD1208S-R2, FD1216S-R1, FD1608GS, FD1608SN, FD1616GS, FD1616SN, and FD8000 devices. Attackers can use \"show system infor\" to discover cleartext TELNET credentials.","status":"published","published":"2020-11-24T21:15:11.667Z","modified":"2026-06-17T03:11:01.71Z","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":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-522"],"updated_at":"2026-11-02T14:06:25.394006Z"}]}}