CVE-2024-36981
highpriority · track · 30EPSS 0.010 · 63 %ileEUUSEPSS · scored 2026-10-27
An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted network request can lead to denial of service. An attacker can send a series of EtherNet/IP requests to trigger this vulnerability.This is the final instance of the incorrect comparison.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- openplcproject openplc v3 firmware= 2024-04-04nvdUScpe:2.3:o:openplcproject:openplc_v3_firmware:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-36981/cnnvd
- https://github.com/thiagoralves/OpenPLC_v3Patchcnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004cnnvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004enisa_euvd
- https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004ExploitThird Party Advisorynvd
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2004nvd
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