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TI-2022-01146 Aliases CVE-2022-1261GHSA-757j-f6hf-9v7v

Matrikon OPC Server Improper Access Control

Priority LOW 39CWE-284Published · Updated

Key facts

Attack vector
Network
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-284.

Summary

Matrikon, a subsidary of Honeywell Matrikon OPC Server (all versions) is vulnerable to a condition where a low privileged user allowed to connect to the OPC server to use the functions of the IPersisFile to execute operating system processes with system-level privileges.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00697 53rd 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
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
Matrikon, a subsidiary of HoneywellMatrikon OPC ServerAll Versions—No fix listedCNA
  • Matrikon OPC Server VendorMatrikon, a subsidiary of Honeywell Affected All Versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:honeywell:matrikon_opc_server:*:*:*:*:*:*:*:*all versionsVulnerableHoneywell
  • cpe:2.3:a:honeywell:matrikon_opc_server:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·Honeywell

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-1261
  2. 2026-10-03 Alias added: GHSA-757j-f6hf-9v7v

References

Sources