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TI-2020-12742 Aliases CVE-2020-16213GHSA-rr87-5vgp-mf73

Out-of-bounds write in Advantech WebAccess HMI Designer

Priority LOW 39CWE-787Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

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.

Why it matters now

EPSS 0.02985 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Advantech WebAccess HMI Designerup to 2.1.9.31—No fix listedCNA
  • Advantech WebAccess HMI Designer Vendor— Affected up to 2.1.9.31 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:advantech:webaccess\/hmi_designer:*:*:*:*:*:*:*:*up to 2.1.9.31VulnerableAdvantech
  • cpe:2.3:a:advantech:webaccess\/hmi_designer:*:*:*:*:*:*:*:* Versions up to 2.1.9.31 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-16213
  2. 2026-10-03 Alias added: GHSA-rr87-5vgp-mf73

References

Advisory 2

  • TI-2020-12744 Stack-based buffer overflow in Advantech WebAccess HMI Designer CVSS 3.1HIGH 7.8
  • TI-2020-12736 Heap-based buffer overflow in Advantech WebAccess HMI Designer CVSS 3.1HIGH 7.8
  • TI-2020-12758 Type confusion in Advantech WebAccess HMI Designer CVSS 3.1HIGH 7.8
  • TI-2020-12746 Double free in Advantech WebAccess HMI Designer CVSS 3.1HIGH 7.8
  • TI-2021-12612 Memory corruption in WebAccess HMI Designer CVSS 3.1HIGH 7.8
  • TI-2021-12610 Out-of-bounds write in WebAccess HMI Designer CVSS 3.1HIGH 7.8
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences