nvd-json-data-feeds/CVE-2020/CVE-2020-277xx/CVE-2020-27720.json

{
  "id": "CVE-2020-27720",
  "sourceIdentifier": "f5sirt@f5.com",
  "published": "2020-12-24T16:15:15.087",
  "lastModified": "2020-12-28T17:25:44.860",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "On BIG-IP LTM/CGNAT version 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, and 13.1.0-13.1.3.5, when processing NAT66 traffic with Port Block Allocation (PBA) mode and SP-DAG enabled, and dag-ipv6-prefix-len configured with a value less than the default of 128, an undisclosed traffic pattern may cause the Traffic Management Microkernel (TMM) to restart."
    },
    {
      "lang": "es",
      "value": "En BIG-IP LTM/CGNAT versiones 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3 y 13.1.0-13.1.3.5, cuando se procesa el tr\u00e1fico NAT66 con Port Block Allocation (PBA) y SP-DAG habilitado, y dag-ipv6-prefix-len configurado con un valor menor que el predeterminado de 128, un patr\u00f3n de tr\u00e1fico no revelado puede causar que el Traffic Management Microkernel (TMM) se reinicie"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "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",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "MEDIUM",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 4.3
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.6,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
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              "vulnerable": true,
              "criteria": "cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "13.1.0",
              "versionEndIncluding": "13.1.3",
              "matchCriteriaId": "C3E1FBE0-03E5-4ED2-B7C3-849449ABDF2C"
            },
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "14.1.3.1",
              "matchCriteriaId": "F08EC455-D129-4B8F-B9D8-4A6E85B37217"
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              "criteria": "cpe:2.3:a:f5:big-ip_carrier-grade_nat:*:*:*:*:*:*:*:*",
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              "criteria": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "15.1.0",
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            },
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              "criteria": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*",
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              "matchCriteriaId": "4F9D19B2-1D89-4917-A82E-289EDE52C68F"
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      ]
    }
  ],
  "references": [
    {
      "url": "https://support.f5.com/csp/article/K04048104",
      "source": "f5sirt@f5.com",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}