{"id":"CVE-2021-33531","aliases":["EUVD-2021-20223","GHSA-523f-pwgc-24f9"],"status":"published","title":"WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability","description":"In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00719,"percentile":0.54334,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-798"],"published":"2021-06-25T18:25:56Z","modified":"2026-06-17T03:54:43Z","products":[{"vendor":"weidmueller","product":"ie-wl-bl-ap-cl-eu_firmware"},{"vendor":"weidmueller","product":"ie-wl-bl-ap-cl-us_firmware"},{"vendor":"weidmueller","product":"ie-wl-vl-ap-br-cl-eu_firmware"},{"vendor":"weidmueller","product":"ie-wl-vl-ap-br-cl-us_firmware"},{"vendor":"weidmueller","product":"ie-wlt-bl-ap-cl-eu_firmware"},{"vendor":"weidmueller","product":"ie-wlt-bl-ap-cl-us_firmware"},{"vendor":"weidmueller","product":"ie-wlt-vl-ap-br-cl-eu_firmware"},{"vendor":"weidmueller","product":"ie-wlt-vl-ap-br-cl-us_firmware"},{"vendor":"weidmüller","product":"ie-wl(t)-bl-ap-cl-xx"},{"vendor":"weidmüller","product":"ie-wl(t)-vl-ap-cl-xx"}],"references":[{"url":"https://cert.vde.com/en-us/advisories/vde-2021-026","tags":["x_refsource_CONFIRM","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-33531"},{"url":"https://github.com/advisories/GHSA-523f-pwgc-24f9"}],"sources":{"cve":[{"id":"CVE-2021-33531","title":"WEIDMUELLER: WLAN devices affected by Hard-coded Credentials vulnerability","description":"In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.","status":"published","published":"2021-06-25T18:25:56.622Z","modified":"2024-09-16T23:16:36.995Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-798"],"updated_at":"2026-11-02T14:33:10.204494Z"}],"euvd":[{"id":"EUVD-2021-20223","description":"In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.","status":"published","published":"2021-06-25T18:25:56Z","modified":"2024-09-16T23:16:36Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:54:54.692655Z"}],"ghsa":[{"id":"GHSA-523f-pwgc-24f9","title":"In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded...","description":"In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.","status":"published","published":"2022-05-24T19:06:17Z","modified":"2023-01-30T05:00:31Z","cwes":["CWE-798"],"updated_at":"2026-11-02T14:46:13.539888Z"}],"nvd":[{"id":"CVE-2021-33531","description":"In Weidmueller Industrial WLAN devices in multiple versions an exploitable use of hard-coded credentials vulnerability exists in multiple iw_* utilities. The device operating system contains an undocumented encryption password, allowing for the creation of custom diagnostic scripts. An attacker can send diagnostic scripts while authenticated as a low privilege user to trigger this vulnerability.","status":"published","published":"2021-06-25T19:15:09.08Z","modified":"2026-06-17T03:54:43.877Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","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-798"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}