{"id":"CVE-2024-36981","aliases":["EUVD-2024-36331","GHSA-m92x-f2xf-6w5q"],"status":"published","title":"An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01021,"percentile":0.63874,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-125"],"published":"2024-09-18T14:35:55Z","modified":"2026-06-17T07:37:32Z","products":[{"vendor":"openplc","product":"openplc_v3"},{"vendor":"openplc_v3","product":"openplc_v3"},{"vendor":"openplcproject","product":"openplc_v3"},{"vendor":"openplcproject","product":"openplc_v3_firmware"}],"references":[{"url":"https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004","tags":["Exploit","Third Party Advisory"]},{"url":"https://www.talosintelligence.com/vulnerability_reports/TALOS-2024-2004"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2024-36981"},{"url":"https://github.com/advisories/GHSA-m92x-f2xf-6w5q"}],"sources":{"cve":[{"id":"CVE-2024-36981","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.","status":"published","published":"2024-09-18T14:35:55.783Z","modified":"2025-11-04T16:12:22.774Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:34:14.985673Z"}],"euvd":[{"id":"EUVD-2024-36331","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.","status":"published","published":"2024-09-18T14:35:55Z","modified":"2025-11-04T16:12:22Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:49:28.888576Z"}],"ghsa":[{"id":"GHSA-m92x-f2xf-6w5q","title":"An out-of-bounds read vulnerability exists in the OpenPLC Runtime EtherNet/IP PCCC parser...","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.","status":"published","published":"2024-09-18T15:30:52Z","modified":"2025-11-04T18:32:30Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T15:04:35.00238Z"}],"nvd":[{"id":"CVE-2024-36981","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.","status":"published","published":"2024-09-18T15:15:15.11Z","modified":"2026-06-17T07:37:32.357Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-125"],"updated_at":"2026-11-02T14:10:27.456509Z"}]}}