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TI-2022-21852 Aliases CVE-2022-44456GHSA-28g2-wc2r-qwc7

OS command injection in Contec Co., Ltd. CONPROSYS HMI System

Priority CRITICAL 86CWE-78Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-78.

Summary

CONPROSYS HMI System (CHS) Ver.3.4.4?and earlier allows a remote unauthenticated attacker to execute an arbitrary OS command on the server where the product is running by sending a specially crafted request.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.69877 99th 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
Yes
Technical impact
Total

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

Affected products

VendorProductAffected versionsFixed inStatusSource
Contec Co., Ltd.CONPROSYS HMI System (CHS)Ver.3.4.4?and earlier—No fix listedCNA
  • CONPROSYS HMI System (CHS) VendorContec Co., Ltd. Affected Ver.3.4.4?and earlier Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:*up to 3.4.4VulnerableContec Co., Ltd.
  • cpe:2.3:a:contec:conprosys_hmi_system:*:*:*:*:*:*:*:* Versions up to 3.4.4 Vulnerable ·Contec Co., Ltd.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2022-44456
  2. 2026-10-03 Alias added: GHSA-28g2-wc2r-qwc7

References

  • TI-2023-13585 SQL injection in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1HIGH 7.2
  • TI-2023-13169 Cross-site scripting in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1MEDIUM 4.8
  • TI-2023-13175 Missing authorization in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1HIGH 8.8
  • TI-2023-08595 Improper privilege management in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1HIGH 7.5
  • TI-2023-13230 Cleartext storage of sensitive information in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1HIGH 8.1
  • TI-2023-08633 Cross-site scripting in Contec Co., Ltd. CONPROSYS HMI System CVSS 3.1MEDIUM 5.4
See all 14 →

Sources