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CVE-2019-6590

Status: ModifiedMedium (5.9)—

On BIG-IP LTM 13.0.0 to 13.0.1 and 12.1.0 to 12.1.3.6, under certain conditions, the TMM may consume excessive resources when processing SSL Session ID Persistence traffic.

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 Local Traffic Manager

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-6590",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.1,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "NONE"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "f5sirt@f5.com",
      "affectedData": [
        {
          "vendor": "F5 Networks, Inc.",
          "product": "BIG-IP (LTM)",
          "versions": [
            {
              "status": "affected",
              "version": "13.0.0-13.0.1, 12.1.0-12.1.3.6"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-02-05T19:29:00.277",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/106942",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "f5sirt@f5.com"
    },
    {
      "url": "https://support.f5.com/csp/article/K55101404",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "f5sirt@f5.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/106942",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.f5.com/csp/article/K55101404",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "On BIG-IP LTM 13.0.0 to 13.0.1 and 12.1.0 to 12.1.3.6, under certain conditions, the TMM may consume excessive resources when processing SSL Session ID Persistence traffic."
    },
    {
      "lang": "es",
      "value": "En BIG-IP LTM, desde la versión 13.0.0 hasta la 13.0.1 y desde la versión 12.1.0 hasta la 12.1.3.6, bajo ciertas condiciones, el TMBB podría consumir recursos excesivos a la hora de procesar tráfico de persistencia del identificador de sesión de SSL."
    }
  ],
  "lastModified": "2026-06-17T02:39:19.280",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5D08BA8F-4949-47EC-8EEF-312DC70043B8",
              "versionEndIncluding": "11.6.3",
              "versionStartIncluding": "11.5.1"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C1812DAA-6894-496B-A81E-74BB4B1F0DFD",
              "versionEndIncluding": "12.1.3.6",
              "versionStartIncluding": "12.1.0"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_local_traffic_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "733198D0-FF68-410D-86B9-21CE3C353916",
              "versionEndIncluding": "13.0.1",
              "versionStartIncluding": "13.0.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com"
}