FKIE_CVE-2023-47537

Vulnerability from fkie_nvd - Published: 2024-02-15 14:15 - Updated: 2026-06-17 06:32
Severity
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
4.8 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N
Summary
An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch.
References
psirt@fortinet.comhttps://fortiguard.com/psirt/FG-IR-23-301Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/psirt/FG-IR-23-301Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortios *
fortinet fortios *
fortinet fortios 7.4.0
fortinet fortios 7.4.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.15:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.14:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.13:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.12:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.11:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.10:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.9:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:7.0.0:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.16:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.15:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.14:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.13:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.12:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.11:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.10:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.9:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.8:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.7:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.6:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.5:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:o:fortinet:fortios:6.4.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiOS",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.4.1",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.6",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.15",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.16",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "fortios",
          "vendor": "fortinet",
          "versions": [
            {
              "status": "affected",
              "version": "6.4.0"
            },
            {
              "status": "affected",
              "version": "7.0.0"
            },
            {
              "status": "affected",
              "version": "7.2.0"
            },
            {
              "status": "affected",
              "version": "7.4.0"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "C119229A-3805-47C1-B3F9-AF1A4007A63B",
              "versionEndExcluding": "7.0.14",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "24D09A92-81EC-4003-B017-C67FC739EEBF",
              "versionEndIncluding": "7.2.6",
              "versionStartIncluding": "7.2.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:7.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "61540F5B-080A-4D44-8BE0-75D7A0DCCB53",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:7.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "17FE168A-0EA4-467C-91D2-87EB6D83917A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper certificate validation vulnerability in Fortinet FortiOS 7.4.0 through 7.4.1, FortiOS 7.2.0 through 7.2.6, FortiOS 7.0.0 through 7.0.15, FortiOS 6.4 all versions\t allows a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the FortiLink communication channel between the FortiOS device and FortiSwitch."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de validaci\u00f3n de certificado incorrecta en Fortinet FortiOS 7.0.0 - 7.0.13, 7.2.0 - 7.2.6 y 7.4.0 - 7.4.1 permite que un atacante remoto y no autenticado realice un ataque Man-in-the-Middle en el Canal de comunicaci\u00f3n FortiLink entre el dispositivo FortiOS y FortiSwitch."
    }
  ],
  "id": "CVE-2023-47537",
  "lastModified": "2026-06-17T06:32:51.717",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.5,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2023-47537",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-05-21T13:43:02.127242Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-02-15T14:15:45.240",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/psirt/FG-IR-23-301"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/psirt/FG-IR-23-301"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Secondary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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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