FKIE_CVE-2025-55018

Vulnerability from fkie_nvd - Published: 2026-02-10 16:16 - Updated: 2026-02-23 14:02
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N
Summary
An inconsistent interpretation of http requests ('http request smuggling') vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header
References
psirt@fortinet.comhttps://fortiguard.fortinet.com/psirt/FG-IR-25-667Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortios *
fortinet fortios *
fortinet fortios 7.6.0
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B52F326A-281A-437B-84A4-1F443D29EC49",
              "versionEndIncluding": "6.4.16",
              "versionStartIncluding": "6.4.3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D217AE6C-1631-4E3E-95D8-7D13F299B4DA",
              "versionEndExcluding": "7.4.10",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:fortinet:fortios:7.6.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "44CE8EE3-D64A-49C8-87D7-C18B302F864A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An inconsistent interpretation of http requests (\u0027http request smuggling\u0027) vulnerability in Fortinet FortiOS 7.6.0, FortiOS 7.4.0 through 7.4.9, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4.3 through 6.4.16 may allow  an unauthenticated attacker to smuggle an unlogged http request through the firewall policies via a specially crafted header"
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de interpretaci\u00f3n inconsistente de solicitudes HTTP (\u0027contrabando de solicitudes HTTP\u0027) en Fortinet FortiOS 7.6.0, FortiOS 7.4.0 hasta 7.4.9, FortiOS 7.2 todas las versiones, FortiOS 7.0 todas las versiones, FortiOS 6.4.3 hasta 6.4.16 puede permitir a un atacante no autenticado contrabandear una solicitud HTTP no registrada a trav\u00e9s de las pol\u00edticas del cortafuegos mediante un encabezado especialmente dise\u00f1ado."
    }
  ],
  "id": "CVE-2025-55018",
  "lastModified": "2026-02-23T14:02:30.417",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 1.4,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-02-10T16:16:08.913",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.fortinet.com/psirt/FG-IR-25-667"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-444"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Primary"
    }
  ]
}


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  • 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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  • 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.



Detection rules are retrieved from Rulezet.