CVE-2020-16217 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-2020-8183
- cvss
- 7.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 86%
- public exploits
- 0
- none known
Summary
Advantech WebAccess HMI Designer, Versions 2.1.9.31 and prior. A double free vulnerability caused by processing specially crafted project files 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
2.87% chance of exploitation in the next 30 days, higher than 86% 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-415 Double Free
References
-
us-cert.cisa.gov
/ics/advisories/icsa-20-219-02
third-party-advisory, us-government-resource
-
zerodayinitiative.com
/advisories/ZDI-20-952/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2020-16217
- NVD CVE-2020-16217
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.