{"id":"CVE-2021-38420","aliases":["EUVD-2021-24872","GHSA-4r4g-jmhw-hh6h"],"status":"published","title":"Delta Electronics DIALink","description":"Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00231,"percentile":0.13969,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-276","CWE-427"],"published":"2021-11-03T19:05:35Z","modified":"2026-06-17T04:02:03Z","products":[{"vendor":"delta electronics","product":"dialink"},{"vendor":"deltaww","product":"dialink"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-294-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38420"},{"url":"https://github.com/advisories/GHSA-4r4g-jmhw-hh6h"}],"sources":{"cve":[{"id":"CVE-2021-38420","title":"Delta Electronics DIALink","description":"Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.","status":"published","published":"2021-11-03T19:05:35.434Z","modified":"2024-09-16T18:08:35.145Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-427"],"updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-24872","description":"Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.","status":"published","published":"2021-11-03T19:05:35Z","modified":"2024-09-16T18:08:35Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:55:35.370742Z"}],"ghsa":[{"id":"GHSA-4r4g-jmhw-hh6h","title":"Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive...","description":"Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.","status":"published","published":"2022-05-24T19:19:31Z","modified":"2023-01-30T05:03:29Z","cwes":["CWE-276","CWE-427"],"updated_at":"2026-11-02T14:46:50.963031Z"}],"nvd":[{"id":"CVE-2021-38420","description":"Delta Electronics DIALink versions 1.2.4.0 and prior default permissions give extensive permissions to low-privileged user accounts, which may allow an attacker to modify the installation directory and upload malicious files.","status":"published","published":"2021-11-03T20:15:08.72Z","modified":"2026-06-17T04:02:03.887Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-427","CWE-276"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}