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CVE-2021-23028

Estado: ModificadaAlta (7.5)—

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4, when JSON content profiles are configured for URLs as part of an F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM security policy and applied to a virtual server, undisclosed requests may cause the BIG-IP ASM bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

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 (2)

F5 — Big-ip Advanced WEB Application FirewallF5 — Big-ip Application Security Manager

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-23028",
  "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": "n/a",
          "product": "BIG-IP Advanced WAF and BIG-IP ASM",
          "versions": [
            {
              "status": "affected",
              "version": "16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-09-14T21:15:07.663",
  "references": [
    {
      "url": "https://support.f5.com/csp/article/K00602225",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "f5sirt@f5.com"
    },
    {
      "url": "https://support.f5.com/csp/article/K00602225",
      "tags": [
        "Mitigation",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "f5sirt@f5.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    },
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.2, and 13.1.x before 13.1.4, when JSON content profiles are configured for URLs as part of an F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM security policy and applied to a virtual server, undisclosed requests may cause the BIG-IP ASM bd process to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated."
    },
    {
      "lang": "es",
      "value": "En versiones 16.0.x anteriores a 16.0.1.2, versiones 15.1.x anteriores a 15.1.3.1, versiones 14.1.x anteriores a 14.1.4.2 y versiones 13.1.x anteriores a 13.1.4, cuando los perfiles de contenido JSON están configurados para las URL como parte de una política de seguridad de F5 Advanced Web Application Firewall (WAF)/BIG-IP ASM y se aplican a un servidor virtual, las peticiones no divulgadas pueden causar la terminación del proceso de BIG-IP ASM bd. Nota: Las versiones de software que han alcanzado End of Technical Support (EoTS) no son evaluadas"
    }
  ],
  "lastModified": "2026-06-17T03:38:14.410",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "59EC7271-ACFA-4B83-942A-1EFC03DB8356",
              "versionEndIncluding": "13.1.3.6",
              "versionStartIncluding": "13.1.3.5"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "751D1F9E-745A-4F1A-A776-063DE264FF48",
              "versionEndIncluding": "14.1.4.1",
              "versionStartIncluding": "14.1.3.1"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9C77478E-AFCF-4EB4-B1A6-E8268015F608",
              "versionEndExcluding": "15.1.3.1",
              "versionStartIncluding": "15.1.1"
            },
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              "criteria": "cpe:2.3:a:f5:big-ip_advanced_web_application_firewall:16.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5CB3F285-D159-4F02-A725-D50F60FBE8E6"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9E809D80-6A35-4D3F-9AEB-9D49AF6419B1",
              "versionEndIncluding": "13.1.3.6",
              "versionStartIncluding": "13.1..3.5"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4BCA5708-3771-47A9-A740-DEB5F038492E",
              "versionEndIncluding": "14.1.4.1",
              "versionStartIncluding": "14.1.3.1"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E4B53FEB-1754-49D4-953D-146D92CAC3BF",
              "versionEndExcluding": "15.1.3.1",
              "versionStartIncluding": "15.1.0"
            },
            {
              "criteria": "cpe:2.3:a:f5:big-ip_application_security_manager:16.0.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F7119586-2C82-4876-B720-871F9483409E"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "f5sirt@f5.com"
}