{"id":"CVE-2021-21532","aliases":["EUVD-2021-8804","GHSA-3gp6-mhp9-qvmh"],"status":"published","title":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation...","description":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.","severity":{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00214,"percentile":0.11848,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-16","CWE-20"],"published":"2021-04-02T21:20:14Z","modified":"2026-06-17T03:35:43Z","products":[{"vendor":"dell","product":"wyse proprietary os (thinos)"},{"vendor":"dell","product":"wyse_thinos"}],"references":[{"url":"https://www.dell.com/support/kbdoc/en-us/000184665/dsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-vulnerabilitydsa-2021-069-dell-wyse-thinos-8-6-security-update-for-an-improper-management-server-validation-","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21532"},{"url":"https://github.com/advisories/GHSA-3gp6-mhp9-qvmh"}],"sources":{"cve":[{"id":"CVE-2021-21532","description":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.","status":"published","published":"2021-04-02T21:20:14.618Z","modified":"2024-09-16T17:28:09.912Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-16"],"updated_at":"2026-11-02T14:33:00.488332Z"}],"euvd":[{"id":"EUVD-2021-8804","description":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.","status":"published","published":"2021-04-02T21:20:14Z","modified":"2024-09-16T17:28:09Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"updated_at":"2026-11-03T00:55:41.925187Z"}],"ghsa":[{"id":"GHSA-3gp6-mhp9-qvmh","title":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation...","description":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.","status":"published","published":"2022-05-24T17:46:28Z","modified":"2023-01-29T05:02:30Z","cvss":[{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:45:06.209197Z"}],"nvd":[{"id":"CVE-2021-21532","description":"Dell Wyse ThinOS 8.6 MR9 contains remediation for an improper management server validation vulnerability that could be potentially exploited to redirect a client to an attacker-controlled management server, thus allowing the attacker to change the device configuration or certificate file.","status":"published","published":"2021-04-02T22:15:13.41Z","modified":"2026-06-17T03:35:43.76Z","cvss":[{"version":"3.1","score":5,"vector":"CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"secondary"},{"version":"3.1","score":6.3,"vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L","level":"medium","assessor":"primary"},{"version":"2.0","score":5.8,"vector":"AV:A/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-16","CWE-20"],"updated_at":"2026-11-02T14:06:51.197859Z"}]}}