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CVE-2024-31031

Estado: ModificadaAlta (7.5)—

An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Fedoraproject — FedoraLibcoap — Libcoap

CWE

Referencias

JSON original (NVD)

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  "id": "CVE-2024-31031",
  "cveTags": [],
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          "role": "CISA Coordinator",
          "options": [
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              "exploitation": "poc"
            },
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              "automatable": "no"
            },
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              "technicalImpact": "partial"
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          "version": "2.0.3",
          "timestamp": "2024-04-22T19:36:57.570941Z"
        }
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          "version": "3.1",
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          "baseSeverity": "HIGH",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 3.9
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  "affected": [
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  "published": "2024-04-17T19:15:07.623",
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  "vulnStatus": "Modified",
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "description": [
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          "lang": "en",
          "value": "CWE-190"
        }
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  "descriptions": [
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      "lang": "en",
      "value": "An issue in `coap_pdu.c` in libcoap 4.3.4 allows attackers to cause undefined behavior via a sequence of messages leading to unsigned integer overflow."
    },
    {
      "lang": "es",
      "value": "Un problema en `coap_pdu.c` en libcoap 4.3.4 permite a los atacantes provocar un comportamiento indefinido a través de una secuencia de mensajes que conducen a un desbordamiento de enteros sin signo."
    }
  ],
  "lastModified": "2026-06-17T07:27:42.017",
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