TI-2023-08700 Aliases CVE-2023-22450 GHSA-26vr-2vpv-r92q

Unrestricted file upload in Advantech WebAccess/SCADA

LOW 35CWE-434Published 2023-06-05 · Updated 2025-01-08

Key facts

Attack vector: Network
Privileges required: High
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 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

In Advantech WebAccss/SCADA v9.1.3 and prior, there is an arbitrary file upload vulnerability that could allow an attacker to upload an ASP script file to a webserver when logged in as manager user, which can lead to arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.0083 57th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Advantech	WebAccess/SCADA	up to v9.1.3	—	No fix listed	CNA

WebAccess/SCADA VendorAdvantech Affected up to v9.1.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:advantech:webaccess\/scada::::::::	up to 9.1.3	Vulnerable	Advantech

cpe:2.3:a:advantech:webaccess\/scada:*:*:*:*:*:*:*:* Versions up to 9.1.3 Vulnerable ·Advantech

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-22450
2026-10-03 Alias added: GHSA-26vr-2vpv-r92q

References

Advisory 1

https://www.cisa.gov/news-events/ics-advisories/icsa-23-152-01

TI-2023-01357 Memory corruption in Advantech WebAccess/SCADA CVSS 3.1CRITICAL 9.8
TI-2019-04573 WebAccess/SCADA, Version 8.3. CVSS 3.0CRITICAL 9.8
TI-2021-12552 Stack-based buffer overflow in WebAccess/SCADA CVSS 3.1CRITICAL 9.8
TI-2019-04577 WebAccess/SCADA, Version 8.3. CVSS 3.0CRITICAL 9.8
TI-2023-15822 Code injection in Advantech WebAccess/SCADA CVSS 3.1CRITICAL 9.8
TI-2023-15909 Unrestricted file upload in Advantech WebAccess/SCADA CVSS 3.1CRITICAL 9.8

See all 28 →

Sources

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