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CVE-2020-11647

Estado: ModificadaAlta (7.5)—

En Wireshark versiones 3.2.0 hasta 3.2.2, versiones 3.0.0 hasta 3.0.9 y versiones 2.6.0 hasta 2.6.15, el disector BACapp podría bloquearse. Esto fue abordado en el archivo epan/disectors/packet-bacapp.c limitando la cantidad de recursión.

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 (3)

Debian — Debian LinuxOpensuse — LeapWireshark — Wireshark

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2020-11647",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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    "cvssMetricV31": [
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          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 7.5,
          "attackVector": "NETWORK",
          "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
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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  "published": "2020-04-10T21:15:11.897",
  "references": [
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      "url": "http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00026.html",
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        "Patch",
        "Third Party Advisory"
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      "tags": [
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    {
      "url": "https://www.wireshark.org/security/wnpa-sec-2020-07.html",
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      "tags": [
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      "url": "https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6f56fc9496db158218243ea87e3660c874a0bab0",
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
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      "url": "https://www.wireshark.org/security/wnpa-sec-2020-07.html",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-674"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion."
    },
    {
      "lang": "es",
      "value": "En Wireshark versiones 3.2.0 hasta 3.2.2, versiones 3.0.0 hasta 3.0.9 y versiones 2.6.0 hasta 2.6.15, el disector BACapp podría bloquearse. Esto fue abordado en el archivo epan/disectors/packet-bacapp.c limitando la cantidad de recursión."
    }
  ],
  "lastModified": "2026-06-17T02:50:32.913",
  "configurations": [
    {
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        {
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              "criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
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            },
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              "criteria": "cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*",
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    {
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  "sourceIdentifier": "cve@mitre.org"
}