Out-of-bounds Read in Cisa Icsnpp-Ethercat
CVE-2023-7242
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.
Vulnerability class: Buffer Overflow
EPSS: 0.005 (38.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.
Affected products
Weakness classification (CWE)
References
- ics-cert@hq.dhs.gov (US Government Resource, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-7242?
- CVE-2023-7242 is a high-severity vulnerability in Cisa Icsnpp-Ethercat, classified under Out-of-bounds Read. CVSS score: 8.2/10. Published 2024-03-01.
- How severe is CVE-2023-7242?
- High severity. CVSS v3 base score is 8.2 out of 10.