{"id":"CVE-2016-0856","aliases":["EUVD-2016-0867","GHSA-77fq-72hq-rrj5"],"status":"published","title":"Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to...","description":"Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.","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":"2026-11-08","score":0.16655,"percentile":0.97041,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2016-01-15T02:00:00Z","modified":"2026-06-17T00:38:21Z","products":[{"vendor":"advantech","product":"webaccess"}],"references":[{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-112","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-101","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-118","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-120","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-116","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-108","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-102","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://ics-cert.us-cert.gov/advisories/ICSA-16-014-01","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-113","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-103","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-117","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-115","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-106","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-114","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-110","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-109","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-100","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.zerodayinitiative.com/advisories/ZDI-16-111","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2016-0856"},{"url":"https://github.com/advisories/GHSA-77fq-72hq-rrj5"}],"sources":{"cve":[{"id":"CVE-2016-0856","description":"Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.","status":"published","published":"2016-01-15T02:00:00Z","modified":"2024-08-05T22:30:05.073Z","updated_at":"2026-11-02T14:33:37.12286Z"}],"euvd":[{"id":"EUVD-2016-0867","description":"Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.","status":"published","published":"2016-01-15T02:00:00Z","modified":"2024-08-05T22:30:05Z","updated_at":"2026-11-03T02:22:59.892883Z"}],"ghsa":[{"id":"GHSA-77fq-72hq-rrj5","title":"Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to...","description":"Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.","status":"published","published":"2022-05-17T03:32:34Z","modified":"2023-01-27T05:07:11Z","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-119"],"updated_at":"2026-11-02T14:43:04.442683Z"}],"nvd":[{"id":"CVE-2016-0856","description":"Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote attackers to execute arbitrary code via unspecified vectors.","status":"published","published":"2016-01-15T03:59:18.25Z","modified":"2026-06-17T00:38:21.797Z","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-119"],"updated_at":"2026-11-02T14:03:21.143462Z"}]}}