CVE-2019-6519
CVE-2019-6519 is a critical-severity vulnerability in Advantech Webaccess/scada with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-287.
Key facts
- Severity: Critical (CVSS 3.x base score 9.8)
- CVSS v2: 7.5
- EPSS exploit prediction: 3% (85th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-287
- Affected product: Advantech Webaccess/scada
- Published:
- Last modified:
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.
Frequently asked questions
- What is CVE-2019-6519?
- WebAccess/SCADA, Version 8.3. An improper authentication vulnerability exists that could allow a possible authentication bypass allowing an attacker to upload malicious data.
- How severe is CVE-2019-6519?
- CVE-2019-6519 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2019-6519 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2019-6519?
- CVE-2019-6519 affects Advantech Webaccess/scada. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2019-6519?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- When was CVE-2019-6519 published?
- CVE-2019-6519 was published on 2019-02-05 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:advantech:webaccess\/scada:8.3:*:*:*:*:*:*:*
More vulnerabilities in Advantech Webaccess/scada
- CVE-2023-1437 — Critical (CVSS 9.8): All versions prior to 9.1.4 of Advantech WebAccess/SCADA are vulnerable to use of untrusted pointers. The RPC arguments…
- CVE-2021-32943 — Critical (CVSS 9.8): The affected product is vulnerable to a stack-based buffer overflow, which may allow an attacker to remotely execute…
- CVE-2019-6523 — Critical (CVSS 9.8): WebAccess/SCADA, Version 8.3. The software does not properly sanitize its inputs for SQL commands.
- CVE-2025-14849 — High (CVSS 8.8): Advantech WebAccess/SCADA is vulnerable to unrestricted file upload, which may allow an attacker to remotely execute…
- CVE-2021-22669 — High (CVSS 8.8): Incorrect permissions are set to default on the ‘Project Management’ page of WebAccess/SCADA portal of…
- CVE-2020-25161 — High (CVSS 8.8): The WADashboard component of WebAccess/SCADA Versions 9.0 and prior may allow an attacker to control or influence a…
All CVEs affecting Advantech Webaccess/scada →
Other CWE-287 (Improper Authentication) vulnerabilities
- CVE-2026-20317 — Critical (CVSS 10.0): As part of Cisco's ongoing commitment to proactive security and product quality, the Cisco Secure Workload engineering…
- CVE-2026-19977 — Critical (CVSS 10.0): A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function…
- CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
- CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
- CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.
Browse all CWE-287 (Improper Authentication) vulnerabilities →