Unrestricted file upload in Advantech WebAccess/SCADA
Priority MEDIUM 44CWE-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 3.1 · NVD. 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 modify the file extension of a certificate file to ASP when uploading it, which can lead to remote code execution.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00713 53rd 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-32628
- 2026-10-03 Alias added: GHSA-fh4m-c7j6-hfcf
References
More Advantech Webaccess/scada vulnerabilities
- 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-2025-13544 Advantech WebAccess/SCADA Unrestricted Upload of File with Dangerous Type CVSS 4.0HIGH 8.7
Sources
- CVE-2023-32628 · CVE Program
- CVE-2023-32628 · NVD
- FIRST EPSS
- GHSA-fh4m-c7j6-hfcf · GitHub Advisory Database · CC BY 4.0
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