{"id":"CVE-2024-36981","state":"PUBLISHED","title":"An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser functionality of OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. A specially crafted ","description":"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.","publishedAt":"2024-09-18T14:35:55.783Z","updatedAt":"2025-11-04T16:12:22.774Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"talos"},"assigner":"talos","products":["OpenPLC OpenPLC_v3"],"affected":[{"vendor":"OpenPLC","product":"OpenPLC_v3","versions":[{"version":"b4702061dc14d1024856f71b4543298d77007b88","status":"affected"}]}],"references":["https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004","https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2004"],"weaknesses":["CWE-125"],"ingestedAt":"2026-10-29T20:07:30.303Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2024/36xxx/CVE-2024-36981.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2024-36981","state":"PUBLISHED","datePublished":"2024-09-18T14:35:55.783Z","dateUpdated":"2025-11-04T16:12:22.774Z","assignerShortName":"talos","assignerOrgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateReserved":"2024-05-30T16:01:30.401Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"OpenPLC","product":"OpenPLC_v3","versions":[{"version":"b4702061dc14d1024856f71b4543298d77007b88","status":"affected"}]}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004","name":"https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004"}],"metrics":[{"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":7.5,"baseSeverity":"HIGH"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-125","lang":"en","description":"CWE-125: Out-of-bounds Read","type":"CWE"}]}],"providerMetadata":{"shortName":"talos","orgId":"b86d76f8-0f8a-4a96-a78d-d8abfc7fc29b","dateUpdated":"2024-09-18T14:35:55.783Z"},"credits":[{"lang":"en","value":"Discovered by Jared Rittle of Cisco Talos."}]},"adp":[{"title":"CISA ADP Vulnrichment","affected":[{"vendor":"openplcproject","product":"openplc_v3","defaultStatus":"unknown","versions":[{"version":"b4702061dc14d1024856f71b4543298d77007b88","status":"affected"}],"cpes":["cpe:2.3:h:openplcproject:openplc_v3:-:*:*:*:*:*:*:*"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2024-09-18T18:14:54.434159Z","id":"CVE-2024-36981","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2024-09-18T18:18:49.044Z"}},{"title":"CVE Program Container","references":[{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2004"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-04T16:12:22.774Z"}}]}}}