{"id":"CVE-2017-12704","aliases":["EUVD-2017-4243","GHSA-h9cj-757c-fm2v"],"status":"published","title":"A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8...","description":"A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.","severity":{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02601,"percentile":0.85459,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119","CWE-122"],"published":"2017-08-30T18:00:00Z","modified":"2026-06-17T01:03:48Z","products":[{"vendor":"advantech","product":"advantech webaccess"},{"vendor":"advantech","product":"webaccess"}],"references":[{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-17-241-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.securityfocus.com/bid/100526","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-12704"},{"url":"https://github.com/advisories/GHSA-h9cj-757c-fm2v"}],"sources":{"cve":[{"id":"CVE-2017-12704","description":"A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.","status":"published","published":"2017-08-30T18:00:00Z","modified":"2024-08-05T18:43:56.536Z","cwes":["CWE-122"],"updated_at":"2026-11-02T14:33:17.264801Z"}],"euvd":[{"id":"EUVD-2017-4243","description":"A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.","status":"published","published":"2017-08-30T18:00:00Z","modified":"2024-08-05T18:43:56Z","updated_at":"2026-11-03T02:23:20.716903Z"}],"ghsa":[{"id":"GHSA-h9cj-757c-fm2v","title":"A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8...","description":"A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.","status":"published","published":"2022-05-13T01:37:46Z","modified":"2025-04-20T03:45:15Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119","CWE-122"],"updated_at":"2026-11-02T15:01:51.665447Z"}],"nvd":[{"id":"CVE-2017-12704","description":"A heap-based buffer overflow issue was discovered in Advantech WebAccess versions prior to V8.2_20170817. Researchers have identified multiple vulnerabilities where there is a lack of proper validation of the length of user-supplied data prior to copying it to the heap-based buffer, which could allow an attacker to execute arbitrary code under the context of the process.","status":"published","published":"2017-08-30T18:29:00.407Z","modified":"2026-06-17T01:03:48.887Z","cvss":[{"version":"3.0","score":8.8,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-122","CWE-119"],"updated_at":"2026-11-02T14:03:58.85945Z"}]}}