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CVE-2020-27724

Estado: ModificadaMedia (6.5)—

In BIG-IP APM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, on systems running more than one TMM instance, authenticated VPN users may consume excessive resources by sending specially-crafted malicious traffic over the tunnel.

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 (1)

F5 — Big-ip Access Policy Manager

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2020-27724",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "f5sirt@f5.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "BIG-IP APM",
          "versions": [
            {
              "status": "affected",
              "version": "16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, 11.6.1-11.6.5.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2020-12-24T15:15:12.843",
  "references": [
    {
      "url": "https://support.f5.com/csp/article/K04518313",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "f5sirt@f5.com"
    },
    {
      "url": "https://support.f5.com/csp/article/K04518313",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-400"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "In BIG-IP APM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, on systems running more than one TMM instance, authenticated VPN users may consume excessive resources by sending specially-crafted malicious traffic over the tunnel."
    },
    {
      "lang": "es",
      "value": "En BIG-IP APM versiones 16.0.0-16.0.0.1, 15.1.0-15.1.0.4, 15.0.0-15.0.1.3, 14.1.0-14.1.3, 13.1.0-13.1.3.4, 12.1.0- 12.1.5.2 y 11.6.1-11.6.5.2, en sistemas que ejecutan más de una instancia de TMM, los usuarios VPN autenticados pueden consumir recursos excesivos mediante el envío de un tráfico malicioso especialmente diseñado por medio del túnel"
    }
  ],
  "lastModified": "2026-06-17T03:09:31.703",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2FBA9552-4645-4BFF-91A4-47B6A3414325",
              "versionEndIncluding": "11.6.5",
              "versionStartIncluding": "11.6.1"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "6C3B5688-0235-4D4F-A26C-440FF24A1B43",
              "versionEndIncluding": "12.1.5",
              "versionStartIncluding": "12.1.0"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "92233BA4-276B-46F4-94E2-423B8EB2074D",
              "versionEndExcluding": "13.1.3.5",
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            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
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              "versionEndExcluding": "14.1.3.1",
              "versionStartIncluding": "14.1.0"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E9170095-A9BB-4D24-9925-39256D7CE2C6",
              "versionEndExcluding": "15.0.1.4",
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            },
            {
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              "vulnerable": true,
              "matchCriteriaId": "8BE97C4B-EAF8-4454-8912-DFE2BFB3E15E",
              "versionEndExcluding": "15.1.0.5",
              "versionStartIncluding": "15.1.0"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_access_policy_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3F3F98DD-C142-4030-AD11-A3129D5FFEA9",
              "versionEndExcluding": "16.0.1",
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            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com"
}