CVE-2020-16213 json
Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior.
published 2020-08-06 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-8179
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 3.0%
- EPSS 3.0% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. Processing specially crafted project files lacking proper validation of user supplied data may cause the system to write outside the intended buffer area, which may allow remote code execution, disclosure/modification of information, or cause the application to crash.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-20-219-02 updated cvss 7.8
Advantech WebAccess HMI Designer
-
Advantech WebAccess HMI Designer <= 2.1.9.31affected: vendor fix support.advantech.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
2.99% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
Affected products
- n/a Advantech WebAccess HMI Designer
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
us-cert.cisa.gov
/ics/advisories/icsa-20-219-02
third-party-advisory, us-government-resource
-
zerodayinitiative.com
/advisories/ZDI-20-956/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-16213
- NVD CVE-2020-16213
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.