CVE-2023-7242 is an out-of-bounds read vulnerability affecting the Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin, specifically versions d78dda6 and earlier. This flaw allows an unauthenticated attacker to remotely crash the Zeek process and potentially leak memory information by sending a specially crafted Ethercat packet. With a CVSS score of 8.2 (HIGH), the vulnerability has low attack complexity and no user interaction required, posing a significant risk to availability and a minor risk to confidentiality. While there is no known active exploitation, public exploit code, or KEV listing, the vulnerability has garnered some community discussion and media coverage, indicating awareness within the cybersecurity community.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= d78dda6CPE matchmatch criteria | cpe:2.3:a:cisa:icsnpp-ethercat:*:*:*:*:*:zeek:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.