CVE-2023-7243 is a critical out-of-bounds write vulnerability affecting the Industrial Control Systems Network Protocol Parsers (ICSNPP) - Ethercat Zeek Plugin, specifically versions d78dda6 and prior. This flaw allows an unauthenticated attacker to achieve arbitrary code execution by sending specially crafted Ethercat datagrams over the network. With a CVSS score of 9.8 (CRITICAL), the vulnerability is easily exploitable with low attack complexity and no user interaction, leading to complete compromise of confidentiality, integrity, and availability. While not currently listed in CISA KEV or having public exploit code, it has garnered community attention and media coverage, indicating awareness of its significant risk.
| 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:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.