{"id":"CVE-2020-16207","aliases":["EUVD-2020-8173","GHSA-48gx-vpm5-hv8j"],"status":"published","title":"Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer...","description":"Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the heap, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.03735,"percentile":0.89915,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-122","CWE-787"],"published":"2020-08-06T18:22:34Z","modified":"2026-06-17T02:57:51Z","products":[{"vendor":"advantech","product":"webaccess\\/hmi_designer"},{"vendor":"ics-cert","product":"advantech webaccess hmi designer"}],"references":[{"url":"https://us-cert.cisa.gov/ics/advisories/icsa-20-219-02","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","US Government Resource"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-959/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-958/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-951/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-955/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://www.zerodayinitiative.com/advisories/ZDI-20-950/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-16207"},{"url":"https://github.com/advisories/GHSA-48gx-vpm5-hv8j"}],"sources":{"cve":[{"id":"CVE-2020-16207","description":"Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the heap, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.","status":"published","published":"2020-08-06T18:22:34Z","modified":"2024-08-04T13:37:54.164Z","cwes":["CWE-122"],"updated_at":"2026-11-02T14:35:58.787905Z"}],"euvd":[{"id":"EUVD-2020-8173","description":"Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the heap, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.","status":"published","published":"2020-08-06T18:22:34Z","modified":"2024-08-04T13:37:54Z","updated_at":"2026-11-03T03:07:28.673063Z"}],"ghsa":[{"id":"GHSA-48gx-vpm5-hv8j","title":"Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer...","description":"Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the heap, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.","status":"published","published":"2022-05-24T17:25:00Z","modified":"2023-01-27T21:31:11Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:43:22.817498Z"}],"nvd":[{"id":"CVE-2020-16207","description":"Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Multiple heap-based buffer overflow vulnerabilities may be exploited by opening specially crafted project files that may overflow the heap, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.","status":"published","published":"2020-08-06T19:15:13.55Z","modified":"2026-06-17T02:57:51.517Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/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-787"],"updated_at":"2026-11-02T14:06:10.994748Z"}]}}