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CVE-2025-3908

Estado: AnalizadaMedia (6.2)—

The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory.

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)

Openvpn — Openvpn3linux

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2025-3908",
  "cveTags": [],
  "metrics": {
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        "ssvcData": {
          "id": "CVE-2025-3908",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-05-19T15:36:42.543233Z"
        }
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    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
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          "version": "3.1",
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          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.5
      }
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  "affected": [
    {
      "source": "security@openvpn.net",
      "affectedData": [
        {
          "repo": "https://codeberg.org/OpenVPN/openvpn3-linux/",
          "vendor": "OpenVPN",
          "product": "OpenVPN 3 Linux",
          "versions": [
            {
              "status": "affected",
              "version": "v20",
              "versionType": "semver",
              "lessThanOrEqual": "v24"
            }
          ],
          "platforms": [
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          ],
          "defaultStatus": "unaffected"
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  "published": "2025-05-19T15:15:23.860",
  "references": [
    {
      "url": "https://community.openvpn.net/Security%20Announcements/CVE-2025-3908",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "security@openvpn.net"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2025/05/20/2",
      "tags": [
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  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "type": "Secondary",
      "source": "security@openvpn.net",
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
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  ],
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    {
      "lang": "en",
      "value": "The configuration initialization tool in OpenVPN 3 Linux v20 through v24 on Linux allows a local attacker to use symlinks pointing at an arbitrary directory which will change the ownership and permissions of that destination directory."
    },
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      "lang": "es",
      "value": "La herramienta de inicialización de configuración en OpenVPN 3 Linux v20 a v24 en Linux permite a un atacante local utilizar enlaces simbólicos que apuntan a un directorio arbitrario, lo que cambiará la propiedad y los permisos de ese directorio de destino."
    }
  ],
  "lastModified": "2026-06-17T09:20:54.460",
  "configurations": [
    {
      "nodes": [
        {
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}