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CVE-2019-6682

Status: ModifiedHigh (7.5)—

On versions 15.0.0-15.0.1.1, 14.0.0-14.1.2.2, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, the BIG-IP ASM system may consume excessive resources when processing certain types of HTTP responses from the origin web server. This vulnerability is only known to affect resource-constrained systems in which the security policy is configured with response-side features, such as Data Guard or response-side learning.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

F5 — Big-ip Application Security Manager

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-6682",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "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": "f5sirt@f5.com",
      "affectedData": [
        {
          "vendor": "F5",
          "product": "BIG-IP ASM",
          "versions": [
            {
              "status": "affected",
              "version": "15.0.0-15.0.1.1"
            },
            {
              "status": "affected",
              "version": "14.0.0-14.1.2.2"
            },
            {
              "status": "affected",
              "version": "13.1.0-13.1.3.1"
            },
            {
              "status": "affected",
              "version": "12.1.0-12.1.5"
            },
            {
              "status": "affected",
              "version": "11.5.2-11.6.5.1"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-12-23T17:15:12.410",
  "references": [
    {
      "url": "https://support.f5.com/csp/article/K40452417",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "f5sirt@f5.com"
    },
    {
      "url": "https://support.f5.com/csp/article/K40452417",
      "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": "On versions 15.0.0-15.0.1.1, 14.0.0-14.1.2.2, 13.1.0-13.1.3.1, 12.1.0-12.1.5, and 11.5.2-11.6.5.1, the BIG-IP ASM system may consume excessive resources when processing certain types of HTTP responses from the origin web server. This vulnerability is only known to affect resource-constrained systems in which the security policy is configured with response-side features, such as Data Guard or response-side learning."
    },
    {
      "lang": "es",
      "value": "En las versiones 15.0.0 hasta 15.0.1.1, 14.0.0 hasta 14.1.2.2, 13.1.0 hasta 13.1.3.1, 12.1.0 hasta 12.1.5 y 11.5.2 hasta 11.6.5.1, el sistema BIG-IP ASM puede consumir recursos excesivos cuando procesa determinados tipos de respuestas HTTP desde el servidor web de origen. Esta vulnerabilidad es solo conocida por afectar a los sistemas con recursos limitados en los que la política de seguridad está configurada con funcionalidades del lado de la respuesta, tales como Data Guard o el aprendizaje del lado de la respuesta."
    }
  ],
  "lastModified": "2026-06-17T02:39:30.217",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9BD61B6A-4E98-4D2C-92BC-FED15CEE39A6",
              "versionEndIncluding": "11.6.5",
              "versionStartIncluding": "11.5.2"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2E5552A3-91CD-4B97-AD33-4F1FB4C8827A",
              "versionEndIncluding": "12.1.5",
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            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "19699BA9-2324-40C5-81B9-0EA6A45109AA",
              "versionEndExcluding": "13.1.3.2",
              "versionStartIncluding": "13.1.0"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D7B3A867-DAD2-415D-A720-FA78CF59CE5B",
              "versionEndExcluding": "14.1.2.3",
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            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E08E3F72-4CEF-4607-8B27-515E6471B9D1",
              "versionEndExcluding": "15.1.0",
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            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com"
}