{"id":"CVE-2021-33540","aliases":["EUVD-2021-20232","GHSA-vgp3-9m7m-h7cr"],"status":"published","title":"Phoenix Contact: Undocumented FTP acces in certain AXL F BK and IL BK devices","description":"In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00723,"percentile":0.54348,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2021-06-25T18:26:04Z","modified":"2026-06-17T03:54:45Z","products":[{"vendor":"phoenix contact","product":"axl f bk"},{"vendor":"phoenix contact","product":"il"},{"vendor":"phoenixcontact","product":"axl_f_bk_eip_ef_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_eip_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_eth_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_eth_net2_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_eth_xc_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_pn_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_pn_tps_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_pn_tps_xc_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_pn_xc_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_s35_firmware"},{"vendor":"phoenixcontact","product":"axl_f_bk_sas_firmware"},{"vendor":"phoenixcontact","product":"il_eip_bk_di8_do4_2tx-pac_firmware"},{"vendor":"phoenixcontact","product":"il_eth_bk_di8_do4_2tx-pac_firmware"},{"vendor":"phoenixcontact","product":"il_eth_bk_di8_do4_2tx-xc-pac_firmware"},{"vendor":"phoenixcontact","product":"il_pn_bk-pac_firmware"},{"vendor":"phoenixcontact","product":"il_pn_bk_di8_do4_2scrj-pac_firmware"},{"vendor":"phoenixcontact","product":"il_pn_bk_di8_do4_2tx-pac_firmware"},{"vendor":"phoenixcontact","product":"il_s3_bk_di8_do4_2tx-pac_firmware"}],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2021-021","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33540"},{"url":"https://github.com/advisories/GHSA-vgp3-9m7m-h7cr"}],"sources":{"cve":[{"id":"CVE-2021-33540","title":"Phoenix Contact: Undocumented FTP acces in certain AXL F BK and IL BK devices","description":"In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.","status":"published","published":"2021-06-25T18:26:04.688Z","modified":"2024-09-17T03:18:18.324Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20232","description":"In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.","status":"published","published":"2021-06-25T18:26:04Z","modified":"2024-09-17T03:18:18Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high"}],"updated_at":"2026-11-03T00:28:32.883624Z"}],"ghsa":[{"id":"GHSA-vgp3-9m7m-h7cr","title":"In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented...","description":"In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.","status":"published","published":"2022-05-24T19:06:15Z","modified":"2023-01-30T05:00:30Z","cwes":["CWE-798"],"updated_at":"2026-11-02T14:46:13.0899Z"}],"nvd":[{"id":"CVE-2021-33540","description":"In certain devices of the Phoenix Contact AXL F BK and IL BK product families an undocumented password protected FTP access to the root directory exists.","status":"published","published":"2021-06-25T19:15:09.697Z","modified":"2026-06-17T03:54:45.217Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"secondary"},{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"high","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:06:55.259633Z"}]}}