FKIE_CVE-2024-21771

Vulnerability from fkie_nvd - Published: 2024-02-14 17:15 - Updated: 2026-06-17 07:10
Severity
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
For unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic against signatures, resulting in Traffic Management Microkernel (TMM) restarting and traffic disruption.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated
References
f5sirt@f5.comhttps://my.f5.com/manage/s/article/K000137595Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://my.f5.com/manage/s/article/K000137595Vendor Advisory
Impacted products
Vendor Product Version
f5 big-ip_advanced_firewall_manager *
f5 big-ip_advanced_firewall_manager *
f5 big-ip_advanced_firewall_manager 17.1.0
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unknown",
          "modules": [
            "AFM",
            "IPS"
          ],
          "product": "BIG-IP",
          "vendor": "F5",
          "versions": [
            {
              "lessThan": "17.1.1",
              "status": "affected",
              "version": "17.1.0",
              "versionType": "custom"
            },
            {
              "lessThan": "16.1.4",
              "status": "affected",
              "version": "16.1.0",
              "versionType": "custom"
            },
            {
              "lessThan": "15.1.9",
              "status": "affected",
              "version": "15.1.0",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "f5sirt@f5.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "6DD4CF11-44E9-4596-9397-AF7DBD81277B",
              "versionEndExcluding": "15.1.9",
              "versionStartIncluding": "15.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "DE979976-11C7-4AFF-8BE4-A094CC9C39CF",
              "versionEndExcluding": "16.1.4",
              "versionStartIncluding": "16.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_advanced_firewall_manager:17.1.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "1A1CC91B-6920-4AF0-9EDD-DD3189E78F4D",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "\nFor unspecified traffic patterns, BIG-IP AFM IPS engine may spend an excessive amount of time matching the traffic against signatures, resulting in Traffic Management Microkernel (TMM) restarting and traffic disruption.\u00a0 Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated"
    },
    {
      "lang": "es",
      "value": "Para patrones de tr\u00e1fico no especificados, el motor BIG-IP AFM IPS puede dedicar una cantidad excesiva de tiempo a comparar el tr\u00e1fico con las firmas, lo que provoca el reinicio del microkernel de gesti\u00f3n de tr\u00e1fico (TMM) y la interrupci\u00f3n del tr\u00e1fico. Nota: Las versiones de software que han llegado al final del soporte t\u00e9cnico (EoTS) no se eval\u00faan"
    }
  ],
  "id": "CVE-2024-21771",
  "lastModified": "2026-06-17T07:10:08.037",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "f5sirt@f5.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-21771",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-02-15T16:02:59.990535Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-14T17:15:11.827",
  "references": [
    {
      "source": "f5sirt@f5.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://my.f5.com/manage/s/article/K000137595"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://my.f5.com/manage/s/article/K000137595"
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "f5sirt@f5.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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