{"id":"CVE-2017-16720","aliases":["EUVD-2017-7904","GHSA-fh38-p8hv-hjcv"],"status":"published","title":"A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has...","description":"A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.","severity":{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.50321,"percentile":0.98918,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-22"],"published":"2018-01-05T08:00:00Z","modified":"2026-06-17T01:09:42Z","exploits":[{"source":"exploitdb","id":"EDB-44278","title":"Advantech WebAccess \u003c 8.3 - Directory Traversal / Remote Code Execution","type":"webapps","platform":"windows","date":"2018-03-12","verified":true,"url":"https://www.exploit-db.com/exploits/44278"},{"source":"pocgithub","id":"CN016/WebAccess-CVE-2017-16720-","title":"CN016/WebAccess-CVE-2017-16720-","date":"2023-10-10","url":"https://github.com/CN016/WebAccess-CVE-2017-16720-"}],"products":[{"vendor":"advantech","product":"advantech webaccess"},{"vendor":"advantech","product":"webaccess"}],"references":[{"url":"https://www.exploit-db.com/exploits/44278/","tags":["exploit","x_refsource_EXPLOIT-DB","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"http://www.securityfocus.com/bid/102424","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-18-004-02","tags":["x_refsource_MISC","x_transferred","Broken Link","Third Party Advisory","US Government Resource"]},{"url":"https://www.tenable.com/security/research/tra-2018-23","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-16720"},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-18-024/","tags":["Third Party Advisory"]},{"url":"https://github.com/advisories/GHSA-fh38-p8hv-hjcv"}],"sources":{"cve":[{"id":"CVE-2017-16720","description":"A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.","status":"published","published":"2018-01-05T08:00:00Z","modified":"2024-08-05T20:35:20.912Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:33:21.142987Z"}],"euvd":[{"id":"EUVD-2017-7904","description":"A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.","status":"published","published":"2018-01-05T08:00:00Z","modified":"2024-08-05T20:35:20Z","updated_at":"2026-11-03T02:23:11.972603Z"}],"ghsa":[{"id":"GHSA-fh38-p8hv-hjcv","title":"A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has...","description":"A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.","status":"published","published":"2022-05-13T01:37:22Z","modified":"2023-02-01T05:09:07Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:50:55.065879Z"}],"nvd":[{"id":"CVE-2017-16720","description":"A Path Traversal issue was discovered in WebAccess versions 8.3.2 and earlier. An attacker has access to files within the directory structure of the target device.","status":"published","published":"2018-01-05T08:29:00.317Z","modified":"2026-06-17T01:09:42.7Z","cvss":[{"version":"3.0","score":9.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":10,"vector":"AV:N/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:04:12.690425Z"}]}}