{
  "id": "CVE-2024-36981",
  "sourceIdentifier": "talos-cna@cisco.com",
  "published": "2024-09-18T15:15:15.110",
  "lastModified": "2024-09-26T20:55:39.783",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "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."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de lectura fuera de los l\u00edmites en la funcionalidad del analizador PCCC de OpenPLC Runtime EtherNet/IP de OpenPLC_v3 b4702061dc14d1024856f71b4543298d77007b88. Una solicitud de red especialmente manipulada puede provocar una denegaci\u00f3n de servicio. Un atacante puede enviar una serie de solicitudes EtherNet/IP para activar esta vulnerabilidad. Esta es la \u00faltima instancia de la comparaci\u00f3n incorrecta."
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "talos-cna@cisco.com",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      },
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ]
  },
  "weaknesses": [
    {
      "source": "talos-cna@cisco.com",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-125"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:o:openplcproject:openplc_v3_firmware:2024-04-04:*:*:*:*:*:*:*",
              "matchCriteriaId": "A91EED0D-892A-42FC-A437-5133E1F2407F"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://talosintelligence.com/vulnerability_reports/TALOS-2024-2004",
      "source": "talos-cna@cisco.com",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ]
    }
  ]
}