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TI-2023-06627 Aliases CVE-2023-7243GHSA-wm94-vqmp-vf4v

Ethercat Zeek Plugin Out-of-bounds Write

Priority MEDIUM 50CWE-787Published · 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 · CNA. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds write while analyzing specific Ethercat datagrams. This could allow an attacker to cause arbitrary code execution.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00819 57th 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
CISAIndustrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeekup to d78dda6—No fix listedCNA
  • Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek VendorCISA Affected up to d78dda6 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:*up to d78dda6VulnerableCISA
  • cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:* Versions up to d78dda6 Vulnerable ·CISA

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-7243
  2. 2026-10-03 Alias added: GHSA-wm94-vqmp-vf4v

References

Advisory 1

  • TI-2023-06628 Ethercat Zeek Plugin Out-of-bounds Write CVSS 3.1CRITICAL 9.8
  • TI-2023-06626 Ethercat Zeek Plugin Out-of-bounds Read CVSS 3.1HIGH 8.2

Sources

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