CVE-2024-39589 describes multiple invalid pointer dereference vulnerabilities in the OpenPLC Runtime EtherNet/IP parser, specifically within the Protected_Logical_Read_Reply function of OpenPLC_v3 firmware. A remote, unauthenticated attacker can exploit this by sending specially crafted EtherNet/IP requests, leading to a denial of service (DoS) condition. The vulnerability has a CVSSv3 score of 7.5 (High), indicating a network-based attack with low complexity and high impact on availability, but no impact on confidentiality or integrity. There is currently no evidence of active exploitation, nor are there publicly available exploit modules like Metasploit or Nuclei, though it has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2024-05-28CPE matchmatch criteria | cpe:2.3:o:openplcproject:openplc_v3_firmware:2024-05-28:*:*:*:*:*:*:* |
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.