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Vulnerability record · CVE-2019-6519 · published 5 February 2019

CVE-2019-6519: Advantech webaccess\/scada improper authentication vulnerability

Advantech · Webaccess\/Scada

WebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker to upload malicious data.

9.8 CVSS 3.0 Critical EPSS 2.8% · top 14.0% CWE-287 · Improper authentication
9.8CVSS 3.0 base score, v2 7.5
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

WebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker to upload malicious data.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/106722 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-024-01 Third Party AdvisoryUS Government Resource
http://www.securityfocus.com/bid/106722 Third Party AdvisoryVDB Entry
https://ics-cert.us-cert.gov/advisories/ICSA-19-024-01 Third Party AdvisoryUS Government Resource

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.8CVE-2023-1437Advantech webaccess\/scada memory buffer overflow vulnerabilityAll versions prior to 9.1.4 of Advantech WebAccess/SCADA are vulnerable to use of untrusted pointers. The RPC arguments the client sent could contain…EPSS 2.8%9.8CVE-2023-32540Advantech webaccess\/scada code injection vulnerabilityIn Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file overwrite vulnerability, which could allow an attacker to overwrite any file…EPSS 0.90%9.8CVE-2023-32628Advantech webaccess\/scada unrestricted file upload vulnerabilityIn Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file upload vulnerability that could allow an attacker to modify the file extensi…EPSS 0.71%9.8CVE-2021-32943Advantech webaccess\/scada stack-based buffer overflow vulnerabilityThe affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute arbitrary code on the WebAccess/…EPSS 1.9%9.8CVE-2019-6523Advantech webaccess\/scada sql injection vulnerabilityWebAccess/SCADA, Version 8.3. The software does not properly sanitize its inputs for SQL commands.EPSS 2.0%8.8CVE-2021-22669Advantech webaccess\/scada incorrect permission assignment vulnerabilityIncorrect permissions are set to default on the ‘Project Management’ page of WebAccess/SCADA portal of WebAccess/SCADA Versions 9.0.1 and prior, whic…EPSS 1.2%8.8CVE-2020-25161Advantech webaccess\/scada vulnerabilityThe WADashboard component of WebAccess/SCADA Versions 9.0 and prior may allow an attacker to control or influence a path used in an operation on the …EPSS 1.6%8.8CVE-2020-13551Advantech webaccess\/scada incorrect default permissions vulnerabilityAn exploitable local privilege elevation vulnerability exists in the file system permissions of Advantech WebAccess/SCADA 9.0.1 installation. In priv…EPSS 0.49%

Source: NIST National Vulnerability Database (record CVE-2019-6519), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.