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TI-2020-09681 Aliases CVE-2020-12022GHSA-rfp6-h7x3-4ggx

Improper array index validation in Advantech WebAccess Node

Priority MEDIUM 45CWE-129Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
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-129 and the CVSS impact.

Summary

Advantech WebAccess Node, Version 8.4.4 and prior, Version 9.0.0. An improper validation vulnerability exists that could allow an attacker to inject specially crafted input into memory where it can be executed.

Why it matters now

EPSS 0.01672 76th 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 NodeWebAccess Node Version 8.4.4 and prior, WebAccess Node Version 9.0.0—No fix listedCNA
  • Advantech WebAccess Node Vendor— Affected WebAccess Node Version 8.4.4 and prior, WebAccess Node Version 9.0.0 Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:*up to 8.4.4VulnerableAdvantech
cpe:2.3:a:advantech:webaccess:9.0.0:*:*:*:*:*:*:*9.0.0VulnerableAdvantech
  • cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:* Versions up to 8.4.4 Vulnerable ·Advantech
  • cpe:2.3:a:advantech:webaccess:9.0.0:*:*:*:*:*:*:* Versions 9.0.0 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12022
  2. 2026-10-03 Alias added: GHSA-rfp6-h7x3-4ggx

References

Advisory 2

  • TI-2016-00768 Unrestricted file upload vulnerability in the uploadImageCommon function in the… CVSS 3.0CRITICAL 9.8
  • TI-2017-12289 Path traversal in Advantech WebAccess CVSS 3.0CRITICAL 9.8
  • TI-2016-00771 Multiple heap-based buffer overflows in Advantech WebAccess before 8.1 allow remote… CVSS 3.0CRITICAL 9.8
  • TI-2016-00770 Multiple stack-based buffer overflows in Advantech WebAccess before 8.1 allow remote… CVSS 3.0CRITICAL 9.8
  • TI-2018-11192 Out-of-bounds write in Advantech WebAccess CVSS 3.0HIGH 8.8
  • TI-2021-16012 Stack-based buffer overflow in Advantech WebAccess CVSS 3.1CRITICAL 9.8
See all 102 →

Sources

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