VulnerabilityModified

CVE-2024-39590

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a.

HIGH 7.5EPSS 1.02%

Does this matter?

High impact if exploited, but EPSS currently rates exploitation as unlikely (1.02%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.

Description

Multiple invalid pointer dereference vulnerabilities exist in the OpenPLC Runtime EtherNet/IP parser functionality of OpenPLC_v3 16bf8bac1a36d95b73e7b8722d0edb8b9c5bb56a. A specially crafted EtherNet/IP request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger these vulnerabilities.This instance of the vulnerability occurs within the `Protected_Logical_Write_Reply` function

CVSS 3.1: 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS: 1.02% probability · 61th percentile
CISA KEV: Not listed
Weakness: CWE-704
Affected: openplcproject/openplc v3 firmware
Source: talos-cna@cisco.com

References

https://talosintelligence.com/vulnerability_reports/TALOS-2024-2016Exploit, Third Party Advisory
https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2016

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.