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TI-2020-06002 Aliases CVE-2020-7479GHSA-pc87-89gv-xqj4

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

VendorProductAffected versionsFixed inStatusSource
—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 listedCNA
  • 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

CPEVersionsRoleVendor
cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:*14.0 to before 14.0.0.20009VulnerableSchneider 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

  1. 2026-10-02 Threatist record created from CVE-2020-7479
  2. 2026-10-03 Alias added: GHSA-pc87-89gv-xqj4

References

  • 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
See all 42 →

Sources