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CVE-2021-42752

Estado: ModificadaMedia (5.4)—

A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiWLM version 8.6.1 and below allows attacker to execute malicious javascript code on victim's host via crafted HTTP requests

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (1)

Fortinet — Fortiwlm

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2021-42752",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2021-42752",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2024-10-23T13:57:46.253203Z"
        }
      }
    ],
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "psirt@fortinet.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
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          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@fortinet.com",
      "affectedData": [
        {
          "vendor": "Fortinet",
          "product": "Fortinet FortiWLM",
          "versions": [
            {
              "status": "affected",
              "version": "FortiWLM 8.6.1, 8.6.0, 8.5.2, 8.5.1, 8.5.0, 8.4.2, 8.4.1, 8.4.0, 8.3.2, 8.3.1, 8.3.0, 8.2.2"
            }
          ]
        }
      ]
    }
  ],
  "published": "2021-12-08T12:15:07.837",
  "references": [
    {
      "url": "https://fortiguard.com/advisory/FG-IR-21-111",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@fortinet.com"
    },
    {
      "url": "https://fortiguard.com/advisory/FG-IR-21-111",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "A improper neutralization of input during web page generation ('cross-site scripting') in Fortinet FortiWLM version 8.6.1 and below allows attacker to execute malicious javascript code on victim's host via crafted HTTP requests"
    },
    {
      "lang": "es",
      "value": "Una neutralización incorrecta de la entrada durante la generación de la página web (\"Cross-site Scripting\") en Fortinet FortiWLM versión 8.6.1 y anteriores, permite al atacante ejecutar código javascript malicioso en el host de la víctima por medio de peticiones HTTP diseñadas"
    }
  ],
  "lastModified": "2026-06-17T04:10:04.297",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:fortinet:fortiwlm:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A9662E2E-859D-4269-8FC0-F9395F86CEB2",
              "versionEndIncluding": "8.6.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@fortinet.com"
}