{"id":"CVE-2021-43471","aliases":["EUVD-2021-30402","GHSA-w2mh-7rhp-pm58"],"status":"published","title":"In Canon LBP223 printers, the System Manager Mode login does not require an account password or...","description":"In Canon LBP223 printers, the System Manager Mode login does not require an account password or PIN. An attacker can remotely shut down the device after entering the background, creating a denial of service vulnerability.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01486,"percentile":0.74375,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-521"],"published":"2021-12-06T12:13:29Z","modified":"2026-06-17T04:11:01Z","exploits":[{"source":"pocgithub","id":"cxaqhq/CVE-2021-43471","title":"cxaqhq/CVE-2021-43471","date":"2021-11-03","url":"https://github.com/cxaqhq/CVE-2021-43471"}],"products":[{"vendor":"canon","product":"lbp223dw_firmware"}],"references":[{"url":"https://github.com/cxaqhq/cve-1","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43471"},{"url":"https://github.com/advisories/GHSA-w2mh-7rhp-pm58"}],"sources":{"cve":[{"id":"CVE-2021-43471","description":"In Canon LBP223 printers, the System Manager Mode login does not require an account password or PIN. An attacker can remotely shut down the device after entering the background, creating a denial of service vulnerability.","status":"published","published":"2021-12-06T12:13:29Z","modified":"2024-08-04T03:55:29.074Z","updated_at":"2026-11-02T14:32:57.033395Z"}],"euvd":[{"id":"EUVD-2021-30402","description":"In Canon LBP223 printers, the System Manager Mode login does not require an account password or PIN. An attacker can remotely shut down the device after entering the background, creating a denial of service vulnerability.","status":"published","published":"2021-12-06T12:13:29Z","modified":"2024-08-04T03:55:29Z","updated_at":"2026-11-03T03:24:14.245608Z"}],"ghsa":[{"id":"GHSA-w2mh-7rhp-pm58","title":"In Canon LBP223 printers, the System Manager Mode login does not require an account password or...","description":"In Canon LBP223 printers, the System Manager Mode login does not require an account password or PIN. An attacker can remotely shut down the device after entering the background, creating a denial of service vulnerability.","status":"published","published":"2021-12-07T00:00:42Z","modified":"2023-02-01T05:06:57Z","cwes":["CWE-521"],"updated_at":"2026-11-02T14:50:27.414775Z"}],"nvd":[{"id":"CVE-2021-43471","description":"In Canon LBP223 printers, the System Manager Mode login does not require an account password or PIN. An attacker can remotely shut down the device after entering the background, creating a denial of service vulnerability.","status":"published","published":"2021-12-06T13:15:07.41Z","modified":"2026-06-17T04:11:01.23Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-521"],"updated_at":"2026-11-02T14:07:01.811115Z"}]}}