Read the docs
TI-2019-02948 Aliases CVE-2019-3942GHSA-6q62-ccgm-chgc

Improper access control in Advantech WebAccess

Priority LOW 36CWE-284Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Security bypass, Information disclosure
Confidentiality · integrity · availability
High · None · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-284 and CWE-522.

Summary

Advantech WebAccess 8.3.4 does not properly restrict an RPC call that allows unauthenticated, remote users to read files. An attacker can use this vulnerability to recover the administrator password.

Why it matters now

EPSS 0.01403 72nd 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 WebAccess8.3.4—No fix listedCNA
  • Advantech WebAccess Vendor— 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-2019-3942
  2. 2026-10-03 Alias added: GHSA-6q62-ccgm-chgc

References

  • 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