CVE-2023-7244 - CVE House
Back to Database
Status published Critical CVE-2023-7244

Ethercat Zeek Plugin Out-of-bounds Write

Vulnerability Description

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin versions d78dda6 and prior are vulnerable to out-of-bounds write in their primary analyses function for Ethercat communication packets. This could allow an attacker to cause arbitrary code execution.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

THREAT MONITOR

Am I Vulnerable?

Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2023-7244

Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Cameron Whitehead of HACK@UCF reported these vulnerabilities to CISA.

References

More from CISA

View All →
CVE-2025-67634
Software Acquisition Guide Supplier Response Web Tool XSS
Medium 4.6
CVE-2025-35436
CISA Thorium account verification email error handling
Medium 6.9
CVE-2025-35435
CISA Thorium download stream divide by zero
Medium 5.3
CVE-2025-35434
CISA Thorium does not validate TLS connections to Elasticsearch
Low 2.3
CVE-2025-35433
CISA Thorium does not properly invalidate previously used tokens
Low 2.3

Affected Vendor

Affected Software

Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Plugin for Zeek
Vulnerable Versions:
0

Timeline

Official Publish: March 1st, 2024
Last Modified: August 5th, 2024
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weaknesses (CWE)

CWE-787

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1068 Exploitation for Privilege Escalation
Privilege Escalation
T1055 Process Injection
Defense Evasion
T1105 Ingress Tool Transfer
Command and Control
T1485 Data Destruction
Impact