Buffer overflow in Cisa Icsnpp-Ethercat
CVE-2023-7244
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.
Vulnerability class: Buffer Overflow
EPSS: 0.008 (53.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-7244?
- CVE-2023-7244 is a critical-severity vulnerability in Cisa Icsnpp-Ethercat, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2024-03-01.
- How severe is CVE-2023-7244?
- Critical severity. CVSS v3 base score is 9.8 out of 10.