Read the docs
TI-2022-02759 Aliases CVE-2022-2988GHSA-q443-qgfv-3fpg

Out-of-bounds write in Schneider Electric SoMachine HVAC

Priority LOW 33CWE-787Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · None · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

A CWE-787: Out-of-bounds Write vulnerability exists that could cause sensitive information leakage when accessing a malicious web page from the commissioning software. Affected Products: SoMachine HVAC (Versions prior to V2.1.0), EcoStruxure Machine Expert – HVAC (Versions prior to V1.4.0)

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00422 36th percentileScored 2026-11-07
Fix Fixed SoMachine HVAC (Schneider Electric): V2.1.0EcoStruxure Machine Expert – HVAC (Schneider Electric): V1.4.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Schneider ElectricSoMachine HVACAll to before V2.1.0V2.1.0Patch availableCNA
Schneider ElectricEcoStruxure Machine Expert – HVACAll to before V1.4.0V1.4.0Patch availableCNA
  • SoMachine HVAC VendorSchneider Electric Affected All to before V2.1.0 Fixed in V2.1.0 Patch available CNA
  • EcoStruxure Machine Expert – HVAC VendorSchneider Electric Affected All to before V1.4.0 Fixed in V1.4.0 Patch available CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:schneider-electric:ecostruxure_machine_expert_-_hvac:*:*:*:*:*:*:*:*before 1.4.0VulnerableSchneider Electric
cpe:2.3:a:schneider-electric:somachine_hvac:*:*:*:*:*:*:*:*before 2.1.0VulnerableSchneider Electric
  • cpe:2.3:a:schneider-electric:ecostruxure_machine_expert_-_hvac:*:*:*:*:*:*:*:* Versions before 1.4.0 Vulnerable ·Schneider Electric
  • cpe:2.3:a:schneider-electric:somachine_hvac:*:*:*:*:*:*:*:* Versions before 2.1.0 Vulnerable ·Schneider Electric

Remediation

  • Fix · CNA SoMachine HVAC (Schneider Electric) Fixed in V2.1.0
  • Fix · CNA EcoStruxure Machine Expert – HVAC (Schneider Electric) Fixed in V1.4.0

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-2988
  2. 2026-10-03 Alias added: GHSA-q443-qgfv-3fpg

References

Sources