CVE-2018-5452 is a stack-based buffer overflow vulnerability affecting Emerson Process Management ControlWave Micro Process Automation Controllers (firmware CWM v.05.78.00 and prior). An unauthenticated attacker can exploit this by sending crafted packets to Port 20547, forcing the PLC into a halt state. This vulnerability has a CVSS score of 7.5 (High), indicating a high impact on availability with low attack complexity and no user interaction required. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), it has received some community discussion and media coverage, including a SecurityWeek article.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 05.78.00CPE matchmatch criteria | cpe:2.3:o:emerson:controlwave_micro_firmware:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/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.