{"id":"CVE-2020-12026","aliases":["EUVD-2020-4342","GHSA-5jgc-4rv5-547g"],"status":"published","title":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path...","description":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.02312,"percentile":0.83622,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22","CWE-23"],"published":"2020-05-08T11:48:19Z","modified":"2026-06-17T02:51:16Z","products":[{"vendor":"advantech","product":"webaccess"}],"references":[{"url":"https://www.us-cert.gov/ics/advisories/icsa-20-128-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-626/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12026"},{"url":"https://github.com/advisories/GHSA-5jgc-4rv5-547g"}],"sources":{"cve":[{"id":"CVE-2020-12026","description":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.","status":"published","published":"2020-05-08T11:48:19Z","modified":"2024-08-04T11:48:57.082Z","cwes":["CWE-23"],"updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4342","description":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.","status":"published","published":"2020-05-08T11:48:19Z","modified":"2024-08-04T11:48:57Z","updated_at":"2026-11-03T03:07:41.399649Z"}],"ghsa":[{"id":"GHSA-5jgc-4rv5-547g","title":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path...","description":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.","status":"published","published":"2022-05-24T22:28:15Z","modified":"2023-01-30T05:04:58Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:47:10.094761Z"}],"nvd":[{"id":"CVE-2020-12026","description":"Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. Multiple relative path traversal vulnerabilities exist that may allow a low privilege user to overwrite files outside the application’s control.","status":"published","published":"2020-05-08T12:15:11.443Z","modified":"2026-06-17T02:51:16.71Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-23","CWE-22"],"updated_at":"2026-11-02T14:06:00.784809Z"}]}}