Vulnerability · Published Sep 18, 2024 · Assigned by talos
CVE-2024-34026
Critical 9.0
In plain English
A critical-severity stack buffer overflow in OpenPLC_v3 from OpenPLC. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 2.4% (higher than 84% of all known vulnerabilities).
Severity (CVSS 3.1)9.0Critical
Exploit odds (30 days)2.4%top 15.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
A stack-based buffer overflow vulnerability exists in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC _v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted EtherNet/IP request can lead to remote code execution. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| OpenPLC | OpenPLC_v3 | b4702061dc14d1024856f71b4543298d77007b88 |
Weakness: CWE-121 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H