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TI-2019-02946 Aliases CVE-2019-3940GHSA-frgm-mc5h-57vv

Unrestricted file upload in Advantech WebAccess

Priority MEDIUM 49CWE-434Published · 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 3.0 · NVD. Fix status from CNA. Impact type from CWE-434.

Summary

Advantech WebAccess 8.3.4 is vulnerable to file upload attacks via unauthenticated RPC call. An unauthenticated, remote attacker can use this vulnerability to execute arbitrary code.

Why it matters now

EPSS 0.04082 90th 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
AdvantechWebAccess8.3.4—No fix listedCNA
  • WebAccess VendorAdvantech Affected 8.3.4 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:advantech:webaccess:8.3.4:*:*:*:*:*:*:*8.3.4VulnerableAdvantech
  • cpe:2.3:a:advantech:webaccess:8.3.4:*:*:*:*:*:*:* Versions 8.3.4 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-3940
  2. 2026-10-03 Alias added: GHSA-frgm-mc5h-57vv

References

Advisory 1

  • 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