FKIE_CVE-2025-48840

Vulnerability from fkie_nvd - Published: 2026-03-10 18:17 - Updated: 2026-06-17 09:30
Severity
5.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Summary
An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request.
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-26-097Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiweb *
fortinet fortiweb *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:fortinet:fortiweb:7.6.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.6.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.6.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.6.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.4.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.12:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.11:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.10:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.2.0:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.12:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.11:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.10:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.9:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.8:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.7:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.6:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.5:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.4:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.3:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.2:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:*",
            "cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "FortiWeb",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.6.3",
              "status": "affected",
              "version": "7.6.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.4.8",
              "status": "affected",
              "version": "7.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.2.12",
              "status": "affected",
              "version": "7.2.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "7.0.12",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3CF747E0-A38B-4B27-B285-11BBAF80FD3C",
              "versionEndExcluding": "7.4.9",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2B739434-1979-43F9-AEC1-D287B1BCA5CA",
              "versionEndExcluding": "7.6.4",
              "versionStartIncluding": "7.6.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An authentication bypass by spoofing vulnerability in Fortinet FortiWeb 7.6.0 through 7.6.3, FortiWeb 7.4.0 through 7.4.8, FortiWeb 7.2 all versions, FortiWeb 7.0 all versions may allow a remote unauthenticated attacker to bypass hostname restrictions via a specially crafted request."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de omisi\u00f3n de autenticaci\u00f3n por suplantaci\u00f3n en Fortinet FortiWeb 7.6.0 hasta 7.6.3, FortiWeb 7.4.0 hasta 7.4.8, FortiWeb 7.2 todas las versiones, FortiWeb 7.0 todas las versiones puede permitir a un atacante remoto no autenticado omitir las restricciones de nombre de host a trav\u00e9s de una solicitud especialmente dise\u00f1ada."
    }
  ],
  "id": "CVE-2025-48840",
  "lastModified": "2026-06-17T09:30:23.770",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-48840",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-03-12T14:29:49.514729Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-03-10T18:17:57.207",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-26-097"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ],
      "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.
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  • 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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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