Read the docs
TI-2023-06626 Aliases CVE-2023-7242GHSA-5mxr-cprf-ghf7

Ethercat Zeek Plugin Out-of-bounds Read

Priority MEDIUM 42CWE-125Published · Updated

Key facts

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

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

Summary

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds read during the process of analyzing a specific Ethercat packet. This could allow an attacker to crash the Zeek process and leak some information in memory.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00478 41st 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
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
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-2023-7242
  2. 2026-10-03 Alias added: GHSA-5mxr-cprf-ghf7

References

Advisory 1

  • TI-2023-06628 Ethercat Zeek Plugin Out-of-bounds Write CVSS 3.1CRITICAL 9.8
  • TI-2023-06627 Ethercat Zeek Plugin Out-of-bounds Write CVSS 3.1CRITICAL 9.8

Sources

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