TI-2018-12740 Aliases CVE-2018-17908 GHSA-phxp-pcmx-p36c

Improper access control in WebAccess Versions 8.3.2 and prior.

LOW 34CWE-284Published 2018-10-29 · Updated 2024-08-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Security bypass
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-284.

Summary

WebAccess Versions 8.3.2 and prior. During installation, the application installer disables user access control and does not re-enable it after the installation is complete. This could allow an attacker to run elevated arbitrary code.

Why it matters now

EPSS 0.0045 39th 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

Vendor	Product	Affected versions	Fixed in	Status	Source
—	WebAccess Versions 8.3.2 and prior.	WebAccess Versions 8.3.2 and prior.	—	No fix listed	CNA

WebAccess Versions 8.3.2 and prior. Vendor— Affected WebAccess Versions 8.3.2 and prior. Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:advantech:webaccess::::::::	up to 8.3.2	Vulnerable	Advantech

cpe:2.3:a:advantech:webaccess:*:*:*:*:*:*:*:* Versions up to 8.3.2 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-17908
2026-10-03 Alias added: GHSA-phxp-pcmx-p36c

References

Advisory 1

https://ics-cert.us-cert.gov/advisories/ICSA-18-298-02

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