CVE-2023-38744 is a denial-of-service (DoS) vulnerability affecting the built-in EtherNet/IP port of Omron CJ Series CJ2 CPU units and the communication function of CS/CJ Series EtherNet/IP units. A remote, unauthenticated attacker can trigger a DoS condition by sending specially crafted packets. Rated 7.5 HIGH on CVSS, this vulnerability requires no user interaction and has a high impact on availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2.18CPE matchmatch criteria | cpe:2.3:o:omron:cj2m-cpu35_firmware:*:*:*:*:*:*:*:* | ||
<= 2.18CPE matchmatch criteria | cpe:2.3:o:omron:cj2m-cpu34_firmware:*:*:*:*:*:*:*:* | ||
<= 2.18CPE matchmatch criteria | cpe:2.3:o:omron:cj2m-cpu33_firmware:*:*:*:*:*:*:*:* | ||
<= 2.18CPE matchmatch criteria | cpe:2.3:o:omron:cj2m-cpu32_firmware:*:*:*:*:*:*:*:* | ||
<= 2.18CPE matchmatch criteria | cpe:2.3:o:omron:cj2m-cpu31_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.
No media coverage found for this CVE.
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.