{"id":"CVE-2018-8841","aliases":["EUVD-2018-20449","GHSA-5rwg-3977-9qwq"],"status":"published","title":"In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior,...","description":"In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an improper privilege management vulnerability may allow an authenticated user to modify files when read access should only be given to the user.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0035,"percentile":0.28856,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-269"],"published":"2018-05-15T22:00:00Z","modified":"2026-06-17T02:05:29Z","products":[{"vendor":"advantech","product":"webaccess"},{"vendor":"advantech","product":"webaccess\\/nms"},{"vendor":"advantech","product":"webaccess_dashboard"},{"vendor":"advantech","product":"webaccess_scada"}],"references":[{"url":"http://www.securityfocus.com/bid/104190","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-135-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-8841"},{"url":"https://github.com/advisories/GHSA-5rwg-3977-9qwq"}],"sources":{"cve":[{"id":"CVE-2018-8841","description":"In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an improper privilege management vulnerability may allow an authenticated user to modify files when read access should only be given to the user.","status":"published","published":"2018-05-15T22:00:00Z","modified":"2024-09-16T16:14:04.315Z","cwes":["CWE-269"],"updated_at":"2026-11-02T14:35:04.172099Z"}],"euvd":[{"id":"EUVD-2018-20449","description":"In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an improper privilege management vulnerability may allow an authenticated user to modify files when read access should only be given to the user.","status":"published","published":"2018-05-15T22:00:00Z","modified":"2024-09-16T16:14:04Z","updated_at":"2026-11-03T00:55:53.554412Z"}],"ghsa":[{"id":"GHSA-5rwg-3977-9qwq","title":"In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior,...","description":"In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an improper privilege management vulnerability may allow an authenticated user to modify files when read access should only be given to the user.","status":"published","published":"2022-05-13T01:31:49Z","modified":"2023-02-01T05:08:08Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-269"],"updated_at":"2026-11-02T14:50:41.147231Z"}],"nvd":[{"id":"CVE-2018-8841","description":"In Advantech WebAccess versions V8.2_20170817 and prior, WebAccess versions V8.3.0 and prior, WebAccess Dashboard versions V.2.0.15 and prior, WebAccess Scada Node versions prior to 8.3.1, and WebAccess/NMS 2.0.3 and prior, an improper privilege management vulnerability may allow an authenticated user to modify files when read access should only be given to the user.","status":"published","published":"2018-05-15T22:29:00.69Z","modified":"2026-06-17T02:05:29.45Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/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-269"],"updated_at":"2026-11-02T14:04:27.507872Z"}]}}