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TI-2007-04331 Aliases CVE-2007-4473GHSA-h5qf-mmv4-97gc

Gesytec Easylon OPC Server before 2.3.44 does not properly validate server handles, which…

Priority MEDIUM 51CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

Gesytec Easylon OPC Server before 2.3.44 does not properly validate server handles, which allows remote attackers to execute arbitrary code or cause a denial of service via unspecified network traffic to the OLE for Process Control (OPC) interface, probably related to free operations on arbitrary memory addresses through certain Remove functions, and read and write operations on arbitrary memory addresses through certain Set, Read, and Write functions.

Why it matters now

EPSS 0.05689 93rd 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:gesytec_easylon:opc_server:2.30.32:*:*:*:*:*:*:*2.30.32VulnerableGesytec Easylon
  • cpe:2.3:a:gesytec_easylon:opc_server:2.30.32:*:*:*:*:*:*:* Versions 2.30.32 Vulnerable ·Gesytec Easylon

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2007-4473
  2. 2026-10-03 Alias added: GHSA-h5qf-mmv4-97gc

References

Patch 1

Other 3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences