{"cve":"CVE-2019-6554","nvd":{"published":"2019-04-05T19:29:00.407","modified":"2026-06-17T02:39:14.930","status":"Modified","description":"Advantech WebAccess/SCADA, Versions 8.3.5 and prior. An improper access control vulnerability may allow an attacker to cause a denial-of-service condition.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5},"cwes":["CWE-284"],"references":["https://ics-cert.us-cert.gov/advisories/ICSA-19-092-01","https://ics-cert.us-cert.gov/advisories/ICSA-19-092-01"],"products":["advantech:webaccess"],"source":"nvd","synced_at":"2026-10-19T20:55:22.313337056+00:00"},"epss":{"cve":"CVE-2019-6554","score":0.01569,"percentile":0.75349,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}