Denial of Service Vulnerability in OpenPLC Runtime EtherNet/IP PCCC Parser Functionality
CVE-2024-36980

7.5HIGH

Key Information:

Vendor

Openplcproject

Status
Openplc V3 Firmware
Vendor
CVE Published:
18 September 2024

What is CVE-2024-36980?

An out-of-bounds read vulnerability exists in the EtherNet/IP PCCC parser functionality of the OpenPLC Runtime, specifically in version b4702061dc14d1024856f71b4543298d77007b88. By crafting specific network requests, an attacker can exploit this flaw, potentially leading to a denial of service. This vulnerability arises from an issue in the comparison process within the parser, allowing manipulation of data that can disrupt service continuity.

References

https://talosintelligence.com/vulnerability_reports/TALOS...

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

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