{"id":"CVE-2021-38471","aliases":["EUVD-2021-24923","GHSA-r26w-f5jv-h3pr"],"status":"published","title":"AUVESY Versiondog","description":"There are multiple API function codes that permit data writing to any file, which may allow an attacker to modify existing files or create new files.","severity":{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01105,"percentile":0.66256,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2021-10-22T11:22:56Z","modified":"2026-06-17T04:02:10Z","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-2021-38471"},{"url":"https://github.com/advisories/GHSA-r26w-f5jv-h3pr"}],"sources":{"cve":[{"id":"CVE-2021-38471","title":"AUVESY Versiondog","description":"There are multiple API function codes that permit data writing to any file, which may allow an attacker to modify existing files or create new files.","status":"published","published":"2021-10-22T11:22:56.182Z","modified":"2024-09-16T21:03:24.416Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"cna"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24923","description":"There are multiple API function codes that permit data writing to any file, which may allow an attacker to modify existing files or create new files.","status":"published","published":"2021-10-22T11:22:56Z","modified":"2024-09-16T21:03:24Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical"}],"updated_at":"2026-11-03T00:55:08.578591Z"}],"ghsa":[{"id":"GHSA-r26w-f5jv-h3pr","title":"There are multiple API function codes that permit data writing to any file, which may allow an...","description":"There are multiple API function codes that permit data writing to any file, which may allow an attacker to modify existing files or create new files.","status":"published","published":"2022-05-24T19:18:39Z","modified":"2023-01-30T05:02:59Z","cwes":["CWE-434"],"updated_at":"2026-11-02T14:46:45.069338Z"}],"nvd":[{"id":"CVE-2021-38471","description":"There are multiple API function codes that permit data writing to any file, which may allow an attacker to modify existing files or create new files.","status":"published","published":"2021-10-22T12:15:08.707Z","modified":"2026-06-17T04:02:10.74Z","cvss":[{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"secondary"},{"version":"3.1","score":9.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":6.4,"vector":"AV:N/AC:L/Au:N/C:N/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:07:00.137719Z"}]}}