Missing authentication in IGSS
Priority LOW 35CWE-306Published · Updated
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 3.1 · NVD. Fix status from CNA. Impact type from CWE-306.
Summary
A CWE-306: Missing Authentication for Critical Function vulnerability exists in IGSS (Versions 14 and prior using the service: IGSSupdate), which could allow a local user to execute processes that otherwise require escalation privileges when sending local network commands to the IGSS Update Service.
Why it matters now
EPSS 0.00509 43rd 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 |
|---|---|---|---|---|---|
| — | IGSS (Interactive Graphical SCADA System) (IGSS Version prior to 14.0.0.20009) | IGSS (Interactive Graphical SCADA System) (Versions 14 and prior using the service: IGSSupdate) | — | No fix listed | CNA |
- IGSS (Interactive Graphical SCADA System) (IGSS Version prior to 14.0.0.20009) Vendor— Affected IGSS (Interactive Graphical SCADA System) (Versions 14 and prior using the service: IGSSupdate) Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:* | 14.0 to before 14.0.0.20009 | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:* Versions 14.0 to before 14.0.0.20009 Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-7479
- 2026-10-03 Alias added: GHSA-pc87-89gv-xqj4
References
More Schneider Electric Interactive Graphical Scada System vulnerabilities
- TI-2013-00550 Stack-based buffer overflow in Schneider Electric Interactive Graphical SCADA System… CVSS 2.0HIGH 10.0
- TI-2022-02151 Integer overflow in Schneider Electric IGSS Data Server CVSS 3.1CRITICAL 9.8
- TI-2022-14164 Buffer overflow in Schneider Electric IGSS Data Server CVSS 3.1CRITICAL 9.8
- TI-2022-14162 Buffer overflow in Schneider Electric IGSS Data Server CVSS 3.1CRITICAL 9.8
- TI-2022-14161 Buffer overflow in Schneider Electric IGSS Data Server CVSS 3.1CRITICAL 9.8
- TI-2022-14160 Buffer overflow in Schneider Electric IGSS Data Server CVSS 3.1CRITICAL 9.8
Sources
- CVE-2020-7479 · CVE Program
- CVE-2020-7479 · NVD
- FIRST EPSS
- GHSA-pc87-89gv-xqj4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences