{"id":"CVE-2021-38457","aliases":["EUVD-2021-24909","GHSA-8mj9-mw5f-ccv3"],"status":"published","title":"AUVESY Versiondog","description":"The server permits communication without any authentication procedure, allowing the attacker to initiate a session with the server without providing any form of authentication.","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":"cna","from":"cve"},"epss":{"day":"2026-11-08","score":0.01335,"percentile":0.71357,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-284","CWE-306"],"published":"2021-10-22T11:23:50Z","modified":"2026-06-17T04:02:07Z","products":[{"vendor":"auvesy","product":"versiondog"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-292-01","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38457"},{"url":"https://github.com/advisories/GHSA-8mj9-mw5f-ccv3"}],"sources":{"cve":[{"id":"CVE-2021-38457","title":"AUVESY Versiondog","description":"The server permits communication without any authentication procedure, allowing the attacker to initiate a session with the server without providing any form of authentication.","status":"published","published":"2021-10-22T11:23:50.18Z","modified":"2024-09-16T21:07:39.873Z","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":"cna"}],"cwes":["CWE-284"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24909","description":"The server permits communication without any authentication procedure, allowing the attacker to initiate a session with the server without providing any form of authentication.","status":"published","published":"2021-10-22T11:23:50Z","modified":"2024-09-16T21:07:39Z","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"}],"updated_at":"2026-11-03T00:55:08.067702Z"}],"ghsa":[{"id":"GHSA-8mj9-mw5f-ccv3","title":"The server permits communication without any authentication procedure, allowing the attacker to...","description":"The server permits communication without any authentication procedure, allowing the attacker to initiate a session with the server without providing any form of authentication.","status":"published","published":"2022-05-24T19:18:40Z","modified":"2023-01-30T05:02:53Z","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"}],"cwes":["CWE-284","CWE-306"],"updated_at":"2026-11-02T14:46:44.129156Z"}],"nvd":[{"id":"CVE-2021-38457","description":"The server permits communication without any authentication procedure, allowing the attacker to initiate a session with the server without providing any form of authentication.","status":"published","published":"2021-10-22T12:15:08.31Z","modified":"2026-06-17T04:02:07.897Z","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":"secondary"},{"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":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-284","CWE-306"],"updated_at":"2026-11-02T14:07:00.137719Z"}]}}