CVE-2026-21741

{
  "id": "CVE-2026-21741",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-14T16:16:35.777",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An URL Redirection to Untrusted Site ('Open Redirect') vulnerability [CWE-601] vulnerability in Fortinet FortiNAC-F 7.6.0 through 7.6.5, FortiNAC-F 7.4 all versions, FortiNAC-F 7.2 all versions may allow a remote privileged attacker with system administrator role to redirect users to an arbitrary website via crafted CSV file."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de redirección de URL a sitio no confiable (’Redirección abierta’) [CWE-601] en Fortinet FortiNAC-F 7.6.0 hasta 7.6.5, FortiNAC-F 7.4 en todas sus versiones, FortiNAC-F 7.2 en todas sus versiones puede permitir a un atacante remoto privilegiado con rol de administrador de sistema redirigir a los usuarios a un sitio web arbitrario a través de un archivo CSV manipulado."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Fortinet",
          "product": "FortiNAC-F",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "7.6.0",
              "lessThanOrEqual": "7.6.5",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "7.4.0",
              "lessThanOrEqual": "7.4.3",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "7.2.0",
              "lessThanOrEqual": "7.2.9",
              "versionType": "semver",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N",
          "baseScore": 2.4,
          "baseSeverity": "LOW",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 0.9,
        "impactScore": 1.4
      },
      {
        "source": "[email protected]",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "HIGH",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.7,
        "impactScore": 2.7
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-04-14T16:15:45.406424Z",
          "id": "CVE-2026-21741",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-601"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:fortinet:fortinac-f:*:*:*:*:*:*:*:*",
              "versionStartIncluding": "7.2.0",
              "versionEndExcluding": "7.6.6",
              "matchCriteriaId": "0BCEDC2F-CD76-475E-A6E9-06DE826AF71B"
            }
          ]
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-118",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}