CVE-2025-41421

{
  "id": "CVE-2025-41421",
  "sourceIdentifier": "[email protected]",
  "published": "2025-10-01T14:15:39.953",
  "lastModified": "2026-10-18T21:10:00.120",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper handling of symbolic links in the TeamViewer Full Client and Host for Windows — in versions prior to 15.70 of TeamViewer Remote and Tensor — allows an attacker with local, unprivileged access to a device lacking adequate malware protection to escalate privileges by spoofing the update file path. This may result in unauthorized access to sensitive information."
    },
    {
      "lang": "es",
      "value": "Manejo inadecuado de enlaces simbólicos en el TeamViewer Full Client y Host para Windows - en versiones anteriores a 15.70 de TeamViewer Remote y Tensor - permite a un atacante con acceso local y sin privilegios a un dispositivo que carece de protección adecuada contra malware escalar privilegios suplantando la ruta del archivo de actualización. Esto puede resultar en acceso no autorizado a información sensible."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "TeamViewer",
          "product": "Full Client",
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "versions": [
            {
              "version": "11.0.0",
              "lessThan": "15.70",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "TeamViewer",
          "product": "Host",
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "versions": [
            {
              "version": "11.0.0",
              "lessThan": "15.70",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "baseScore": 4.7,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 3.6
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2025-10-01T13:59:12.175007Z",
          "id": "CVE-2025-41421",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://www.teamviewer.com/en/resources/trust-center/security-bulletins/tv-2025-1004/",
      "source": "[email protected]"
    }
  ]
}