{"id":"CVE-2021-32951","aliases":["EUVD-2021-19672","GHSA-9rgm-96q6-gc9m"],"status":"published","title":"Advantech WebAccess/NMS Improper Authentication","description":"WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability, which may allow unauthorized users to view resources monitored and controlled by the WebAccess/NMS, as well as IP addresses and names of all the devices managed via WebAccess/NMS.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00948,"percentile":0.6164,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-287"],"published":"2021-10-27T00:54:22Z","modified":"2026-06-17T03:53:51Z","products":[{"vendor":"advantech","product":"webaccess/nms"},{"vendor":"advantech","product":"webaccess\\/nms"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-21-229-02","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32951"},{"url":"https://github.com/advisories/GHSA-9rgm-96q6-gc9m"}],"sources":{"cve":[{"id":"CVE-2021-32951","title":"Advantech WebAccess/NMS Improper Authentication","description":"WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability, which may allow unauthorized users to view resources monitored and controlled by the WebAccess/NMS, as well as IP addresses and names of all the devices managed via WebAccess/NMS.","status":"published","published":"2021-10-27T00:54:22.837Z","modified":"2024-09-16T20:48:04.366Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:33:06.658806Z"}],"euvd":[{"id":"EUVD-2021-19672","description":"WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability, which may allow unauthorized users to view resources monitored and controlled by the WebAccess/NMS, as well as IP addresses and names of all the devices managed via WebAccess/NMS.","status":"published","published":"2021-10-27T00:54:22Z","modified":"2024-09-16T20:48:04Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:55:10.854479Z"}],"ghsa":[{"id":"GHSA-9rgm-96q6-gc9m","title":"WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability,...","description":"WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability, which may allow unauthorized users to view resources monitored and controlled by the WebAccess/NMS, as well as IP addresses and names of all the devices managed via WebAccess/NMS.","status":"published","published":"2022-05-24T19:18:59Z","modified":"2023-01-30T05:03:28Z","cwes":["CWE-287"],"updated_at":"2026-11-02T14:46:50.469176Z"}],"nvd":[{"id":"CVE-2021-32951","description":"WebAccess/NMS (Versions prior to v3.0.3_Build6299) has an improper authentication vulnerability, which may allow unauthorized users to view resources monitored and controlled by the WebAccess/NMS, as well as IP addresses and names of all the devices managed via WebAccess/NMS.","status":"published","published":"2021-10-27T01:15:07.333Z","modified":"2026-06-17T03:53:51.58Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-287"],"updated_at":"2026-11-02T14:07:00.549994Z"}]}}