No exploitation reportedFix available

CVE-2020-16217

No exploitation reported by the sources we read.

Published2020-08-06
WeaknessCWE-415

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

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.

Timeline

dates in UTC

2020-08-0619:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-10-23 18:48 UTC

Indicators tagged with this CVE, per day0 indicators over 7 days

Block these indicators

Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2020-16217?format=txt
CSV export: https://api.ismalicious.com/edl/cve/CVE-2020-16217?format=csv
TAXII collection of exploited CVEs
The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD

Advantech webaccess\/hmi designer

Branch	Affected	Fixed in	Source
2.1	≤ 2.1.9.31	no fix published	NVD

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Vendor advisories

ICSA-20-219-02 CISA1 known affected
Advantech WebAccess HMI Designer
WebAccess HMI Designer: Versions 2.1.9.31 and prior

Full record on NVD

Fix

Vendor fix CISA ICSA-20-219-02 · 1 productAdvantech has released Version 2.1.9.81 of WebAccess HMI Designer to address the reported vulnerabilities. Users can download the latest version of WebAccess HMI Designer.

Detection

Nuclei template: none so far
Exploit-DB: no entry
Proof-of-concept repositories: none listed

Sources

NVDCVSS 3.17.8read 2026-10-23
NVDCVSS 2.06.8read 2026-10-23
CNAweakness (CWE)CWE-415read 2026-10-23
NVDweakness (CWE)CWE-415read 2026-10-23
FIRST EPSSEPSS score2.9 %2026-10-22

Technical details

CVSS v3 Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: 2020-08-06
Last Modified: 2026-06-17
NVD status: Modified

Frequently asked questions

What is CVE-2020-16217?

Is CVE-2020-16217 actively exploited?

Active exploitation of CVE-2020-16217 has not been confirmed. Its EPSS score was 2.9% on 2026-10-22, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-16217?

CVE-2020-16217 has a CVSS v3 base score of 7.8 (HIGH severity), with vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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