{"id":"CVE-2024-3521","aliases":["EUVD-2024-32107","GHSA-phxq-f9jh-xw45"],"status":"published","title":"Byzoro Smart S80 Management Platform userattestation.php unrestricted upload","description":"A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is some unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259892. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","severity":{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0124,"percentile":0.69395,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2024-04-09T22:31:04Z","modified":"2026-06-17T07:44:26Z","products":[{"vendor":"byzoro","product":"smart s80 management platform"},{"vendor":"byzoro","product":"smart_s80"}],"references":[{"url":"https://vuldb.com/?id.259892","tags":["vdb-entry","technical-description","x_transferred"]},{"url":"https://vuldb.com/?ctiid.259892","tags":["signature","permissions-required","x_transferred"]},{"url":"https://vuldb.com/?submit.308509","tags":["third-party-advisory","x_transferred"]},{"url":"https://github.com/garboa/cve_3/blob/main/Upload2.md","tags":["exploit","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-3521"},{"url":"https://github.com/advisories/GHSA-phxq-f9jh-xw45"}],"sources":{"cve":[{"id":"CVE-2024-3521","title":"Byzoro Smart S80 Management Platform userattestation.php unrestricted upload","description":"A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is some unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259892. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-09T22:31:04.562Z","modified":"2024-08-01T20:12:07.743Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"},{"version":"3.0","score":4.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:L/Au:M/C:P/I:P/A:P","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:34:10.613319Z"}],"euvd":[{"id":"EUVD-2024-32107","description":"A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is some unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259892. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-09T22:31:04Z","modified":"2024-08-01T20:12:07Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T03:50:38.460826Z"}],"ghsa":[{"id":"GHSA-phxq-f9jh-xw45","title":"A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been...","description":"A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is some unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259892. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-10T00:30:29Z","modified":"2024-04-10T00:30:29Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:57:05.342619Z"}],"nvd":[{"id":"CVE-2024-3521","description":"A vulnerability was found in Byzoro Smart S80 Management Platform up to 20240317. It has been rated as critical. Affected by this issue is some unknown functionality of the file /useratte/userattestation.php. The manipulation of the argument web_img leads to unrestricted upload. The attack may be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-259892. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.","status":"published","published":"2024-04-09T23:15:25.737Z","modified":"2026-06-17T07:44:26.25Z","cvss":[{"version":"3.1","score":4.7,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"2.0","score":5.8,"vector":"AV:N/AC:L/Au:M/C:P/I:P/A:P","level":"medium","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:09:49.255123Z"}]}}