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CVE-2025-31334

Estado: AnalizadaMedia (6.8)—

Issue that bypasses the "Mark of the Web" security warning function for files when opening a symbolic link that points to an executable file exists in WinRAR versions prior to 7.11. If a symbolic link specially crafted by an attacker is opened on the affected product, arbitrary code may be executed.

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)

Rarlab — Winrar

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-31334",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-31334",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-03T13:51:57.341675Z"
        }
      }
    ],
    "cvssMetricV30": [
      {
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        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 6.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H",
          "integrityImpact": "HIGH",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "HIGH",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.9,
        "exploitabilityScore": 0.9
      }
    ]
  },
  "affected": [
    {
      "source": "vultures@jpcert.or.jp",
      "affectedData": [
        {
          "vendor": "RARLAB",
          "product": "WinRAR",
          "versions": [
            {
              "status": "affected",
              "version": "prior to 7.11"
            }
          ]
        }
      ]
    }
  ],
  "published": "2025-04-03T06:15:42.903",
  "references": [
    {
      "url": "https://jvn.jp/en/jp/JVN59547048/",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "vultures@jpcert.or.jp"
    },
    {
      "url": "https://www.win-rar.com/start.html?&L=0",
      "tags": [
        "Release Notes"
      ],
      "source": "vultures@jpcert.or.jp"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "vultures@jpcert.or.jp",
      "description": [
        {
          "lang": "en",
          "value": "CWE-356"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Issue that bypasses the \"Mark of the Web\" security warning function for files when opening a symbolic link that points to an executable file exists in WinRAR versions prior to 7.11. If a symbolic link specially crafted by an attacker is opened on the affected product, arbitrary code may be executed."
    },
    {
      "lang": "es",
      "value": "En versiones de WinRAR anteriores a la 7.11, existe un problema que omite la función de advertencia de seguridad \"Mark of the Web\" al abrir un enlace simbólico que apunta a un archivo ejecutable. Si se abre un enlace simbólico manipulado específicamente por un atacante en el producto afectado, se podría ejecutar código arbitrario."
    }
  ],
  "lastModified": "2026-06-17T09:10:15.343",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:rarlab:winrar:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "BE115B9C-816C-4D0F-979E-E46F02B34136",
              "versionEndExcluding": "7.11"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "vultures@jpcert.or.jp"
}