Incorrect permission assignment in Advantech WebAccess/SCADA
Priority MEDIUM 40CWE-732Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
Incorrect permissions are set to default on the ‘Project Management’ page of WebAccess/SCADA portal of WebAccess/SCADA Versions 9.0.1 and prior, which may allow a low-privileged user to update an administrator’s password and login as an administrator to escalate privileges on the system.
Why it matters now
EPSS 0.01174 67th 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 |
|---|---|---|---|---|---|
| — | Advantech WebAccess/SCADA | WebAccess/SCADA Versions 9.0.1 and prior | — | No fix listed | CNA |
- Advantech WebAccess/SCADA Vendor— Affected WebAccess/SCADA Versions 9.0.1 and prior Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-22669
- 2026-10-03 Alias added: GHSA-fx4x-q794-whc6
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-2023-15909 Unrestricted file upload in Advantech WebAccess/SCADA CVSS 3.1CRITICAL 9.8
Sources
- CVE-2021-22669 · CVE Program
- CVE-2021-22669 · NVD
- FIRST EPSS
- GHSA-fx4x-q794-whc6 · GitHub Advisory Database · CC BY 4.0
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