FKIE_CVE-2022-42471

Vulnerability from fkie_nvd - Published: 2023-01-03 17:15 - Updated: 2026-06-17 05:04
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Summary
An improper neutralization of CRLF sequences in HTTP headers ('HTTP Response Splitting') vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker to inject arbitrary headers.
References
psirt@fortinet.comhttps://fortiguard.com/psirt/FG-IR-22-250Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://fortiguard.com/psirt/FG-IR-22-250Patch, Vendor Advisory
Impacted products
Vendor Product Version
fortinet fortiweb *
fortinet fortiweb 6.4.0
fortinet fortiweb 6.4.1
fortinet fortiweb 6.4.2
fortinet fortiweb 7.0.0
fortinet fortiweb 7.0.1
fortinet fortiweb 7.0.2
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "FortiWeb",
          "vendor": "Fortinet",
          "versions": [
            {
              "lessThanOrEqual": "7.0.2",
              "status": "affected",
              "version": "7.0.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.4.2",
              "status": "affected",
              "version": "6.4.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "6.3.21",
              "status": "affected",
              "version": "6.3.6",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "psirt@fortinet.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "1015CCDD-15E5-4E64-8D0B-4BE77459FD8C",
              "versionEndIncluding": "6.3.21",
              "versionStartIncluding": "6.3.6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:6.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "74A92A08-E6F6-4522-A6DA-061950AD3525",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:6.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "A6A3D2C4-C3FA-4E12-9156-DAFEA4E00BCC",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:6.4.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "6775BE1F-184A-45D2-9D8D-AA8F40227988",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:7.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "3DF60F8C-355E-4F89-A1E3-EE0644D03EE3",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:7.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "8A50C87E-68F1-449E-8111-4082CD9BBCA9",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:fortinet:fortiweb:7.0.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "9F2DA9E1-A218-46AC-91C5-853CFED0BAF5",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An improper neutralization of CRLF sequences in HTTP headers (\u0027HTTP Response Splitting\u0027) vulnerability [CWE-113] In FortiWeb version 7.0.0 through 7.0.2, FortiWeb version 6.4.0 through 6.4.2, FortiWeb version 6.3.6 through 6.3.20 may allow an authenticated and remote attacker\u00a0to inject arbitrary headers."
    },
    {
      "lang": "es",
      "value": "Una vulnerabilidad de neutralizaci\u00f3n incorrecta de secuencias CRLF en encabezados HTTP (\u0027Divisi\u00f3n de respuesta HTTP\u0027) [CWE-113] en FortiWeb versi\u00f3n 7.0.0 a 7.0.2, FortiWeb versi\u00f3n 6.4.0 a 6.4.2, FortiWeb versi\u00f3n 6.3.6 a 6.3 .20 puede permitir que un atacante remoto y autenticado inyecte encabezados arbitrarios."
    }
  ],
  "id": "CVE-2022-42471",
  "lastModified": "2026-06-17T05:04:59.147",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "psirt@fortinet.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-42471",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-10-22T20:18:46.754990Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2023-01-03T17:15:10.533",
  "references": [
    {
      "source": "psirt@fortinet.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/psirt/FG-IR-22-250"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://fortiguard.com/psirt/FG-IR-22-250"
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-113"
        }
      ],
      "source": "psirt@fortinet.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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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.
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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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