Missing authentication in Schneider Electric IGSS Update Service
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 · CNA. Fix status from CNA. Impact type from CWE-306.
Summary
A CWE-306: Missing Authentication for Critical Function vulnerability exists in the IGSS Update Service that could allow a local attacker to change update source, potentially leading to remote code execution when the attacker force an update containing malicious content.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00182 7th 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 |
|---|---|---|---|---|---|
| Schneider Electric | IGSS Update Service (IGSSupdateservice.exe) | up to v16.0.0.23211 | — | No fix listed | CNA |
- IGSS Update Service (IGSSupdateservice.exe) VendorSchneider Electric Affected up to v16.0.0.23211 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:* | up to 16.0.0.23211 | Vulnerable | Schneider Electric |
- cpe:2.3:a:schneider-electric:interactive_graphical_scada_system:*:*:*:*:*:*:*:* Versions up to 16.0.0.23211 Vulnerable ·Schneider Electric
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-4516
- 2026-10-03 Alias added: GHSA-4c87-xqpv-r7h5
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-2023-4516 · CVE Program
- CVE-2023-4516 · NVD
- FIRST EPSS
- GHSA-4c87-xqpv-r7h5 · GitHub Advisory Database · CC BY 4.0
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