CVE-2019-6521 json
WebAccess/SCADA, Version 8.3.
published 2019-02-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-16080
- cvss
- 8.6
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 80%
- public exploits
- 0
- none known
Summary
WebAccess/SCADA, Version 8.3. Specially crafted requests could allow a possible authentication bypass that could allow an attacker to obtain and manipulate sensitive information.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-19-024-01 updated cvss 8.6
Advantech WebAccess/SCADA
-
Advantech WebAccess/SCADA 8.3affected: vendor fix urldefense.proofpoint.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
Exploit prediction
1.93% chance of exploitation in the next 30 days, higher than 80% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 8.6 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:L |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-287 Improper Authentication
References
-
ics-cert.us-cert.gov
/advisories/ICSA-19-024-01
third-party-advisory, us-government-resource
-
securityfocus.com
/bid/106722
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2019-6521
- NVD CVE-2019-6521
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.