FKIE_CVE-2026-20732

Vulnerability from fkie_nvd - Published: 2026-02-04 15:16 - Updated: 2026-02-13 21:44
Summary
A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Impacted products
Vendor Product Version
f5 big-ip_access_policy_manager *
f5 big-ip_advanced_firewall_manager *
f5 big-ip_advanced_web_application_firewall *
f5 big-ip_analytics *
f5 big-ip_application_acceleration_manager *
f5 big-ip_application_security_manager *
f5 big-ip_application_visibility_and_reporting *
f5 big-ip_automation_toolchain *
f5 big-ip_carrier-grade_nat *
f5 big-ip_container_ingress_services *
f5 big-ip_ddos_hybrid_defender *
f5 big-ip_domain_name_system *
f5 big-ip_edge_gateway *
f5 big-ip_fraud_protection_service *
f5 big-ip_global_traffic_manager *
f5 big-ip_link_controller *
f5 big-ip_local_traffic_manager *
f5 big-ip_policy_enforcement_manager *
f5 big-ip_ssl_orchestrator *
f5 big-ip_webaccelerator *
f5 big-ip_websafe *
f5 big-ip_access_policy_manager *
f5 big-ip_access_policy_manager *
f5 big-ip_advanced_firewall_manager *
f5 big-ip_advanced_firewall_manager *
f5 big-ip_advanced_web_application_firewall *
f5 big-ip_advanced_web_application_firewall *
f5 big-ip_analytics *
f5 big-ip_analytics *
f5 big-ip_application_acceleration_manager *
f5 big-ip_application_acceleration_manager *
f5 big-ip_application_security_manager *
f5 big-ip_application_security_manager *
f5 big-ip_application_visibility_and_reporting *
f5 big-ip_application_visibility_and_reporting *
f5 big-ip_automation_toolchain *
f5 big-ip_automation_toolchain *
f5 big-ip_carrier-grade_nat *
f5 big-ip_carrier-grade_nat *
f5 big-ip_container_ingress_services *
f5 big-ip_container_ingress_services *
f5 big-ip_ddos_hybrid_defender *
f5 big-ip_ddos_hybrid_defender *
f5 big-ip_domain_name_system *
f5 big-ip_domain_name_system *
f5 big-ip_edge_gateway *
f5 big-ip_edge_gateway *
f5 big-ip_fraud_protection_service *
f5 big-ip_fraud_protection_service *
f5 big-ip_global_traffic_manager *
f5 big-ip_global_traffic_manager *
f5 big-ip_link_controller *
f5 big-ip_link_controller *
f5 big-ip_local_traffic_manager *
f5 big-ip_local_traffic_manager *
f5 big-ip_policy_enforcement_manager *
f5 big-ip_policy_enforcement_manager *
f5 big-ip_ssl_orchestrator *
f5 big-ip_ssl_orchestrator *
f5 big-ip_webaccelerator *
f5 big-ip_webaccelerator *
f5 big-ip_websafe *
f5 big-ip_websafe *

{
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              "versionEndExcluding": "17.5.1.4",
              "versionStartIncluding": "17.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "68C52EBC-167C-4D46-93E1-0302860D42CD",
              "versionEndExcluding": "17.1.3.1",
              "versionStartIncluding": "17.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_ssl_orchestrator:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "27838D60-7CB2-464A-85CD-9F2BF94DED28",
              "versionEndExcluding": "17.5.1.4",
              "versionStartIncluding": "17.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "0CCD0DDB-D6EA-47D1-9E90-90D194B981E7",
              "versionEndExcluding": "17.1.3.1",
              "versionStartIncluding": "17.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_webaccelerator:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D83813AD-9401-43F1-9C9A-A52F3334C05F",
              "versionEndExcluding": "17.5.1.4",
              "versionStartIncluding": "17.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8229B10B-0902-4FAC-B31D-8DB9E0A3F348",
              "versionEndExcluding": "17.1.3.1",
              "versionStartIncluding": "17.1.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_websafe:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "95965E49-EC7F-4CBE-9E1C-B0A8E3057329",
              "versionEndExcluding": "17.5.1.4",
              "versionStartIncluding": "17.5.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "A vulnerability exists in an undisclosed BIG-IP Configuration utility page that may allow an attacker to spoof error messages.\u00a0\u00a0Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
    }
  ],
  "id": "CVE-2026-20732",
  "lastModified": "2026-02-13T21:44:33.627",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 3.1,
          "baseSeverity": "LOW",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.6,
        "impactScore": 1.4,
        "source": "f5sirt@f5.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "HIGH",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 2.3,
          "baseSeverity": "LOW",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "NONE",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "PASSIVE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "version": "4.0",
          "vulnAvailabilityImpact": "NONE",
          "vulnConfidentialityImpact": "NONE",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "f5sirt@f5.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-04T15:16:14.740",
  "references": [
    {
      "source": "f5sirt@f5.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://my.f5.com/manage/s/article/K000156644"
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-451"
        }
      ],
      "source": "f5sirt@f5.com",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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Detection rules are retrieved from Rulezet.

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