FKIE_CVE-2020-25744

Vulnerability from fkie_nvd - Published: 2020-09-18 02:15 - Updated: 2026-06-17 03:07
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Summary
SaferVPN before 5.0.3.3 on Windows could allow low-privileged users to create or overwrite arbitrary files, which could cause a denial of service (DoS) condition, because a symlink from %LOCALAPPDATA%\SaferVPN\Log is followed.
References
cve@mitre.orghttps://medium.com/%40thebinary0x1/safervpn-for-windows-arbitrary-file-overwrite-dos-bdc88fdb5ead
cve@mitre.orghttps://www.youtube.com/watch?v=0QdRJdA_aosExploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://medium.com/%40thebinary0x1/safervpn-for-windows-arbitrary-file-overwrite-dos-bdc88fdb5ead
af854a3a-2127-422b-91ae-364da2661108https://www.youtube.com/watch?v=0QdRJdA_aosExploit, Third Party Advisory
Impacted products
Vendor Product Version
safervpn safervpn *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:safervpn:safervpn:*:*:*:*:*:windows:*:*",
              "matchCriteriaId": "4D887FAC-7B53-4C26-9CBD-049F696E7EFC",
              "versionEndExcluding": "5.0.3.3",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "SaferVPN before 5.0.3.3 on Windows could allow low-privileged users to create or overwrite arbitrary files, which could cause a denial of service (DoS) condition, because a symlink from %LOCALAPPDATA%\\SaferVPN\\Log is followed."
    },
    {
      "lang": "es",
      "value": "SaferVPN anterior a la versi\u00f3n 5.0.3.3 en Windows podr\u00eda permitir a los usuarios con pocos privilegios crear o sobrescribir archivos arbitrarios, lo que podr\u00eda causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS), porque se sigue un enlace simb\u00f3lico de %LOCALAPPDATA%\\SaferVPN\\Log"
    }
  ],
  "id": "CVE-2020-25744",
  "lastModified": "2026-06-17T03:07:13.720",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.5,
          "confidentialityImpact": "NONE",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-09-18T02:15:12.773",
  "references": [
    {
      "source": "cve@mitre.org",
      "url": "https://medium.com/%40thebinary0x1/safervpn-for-windows-arbitrary-file-overwrite-dos-bdc88fdb5ead"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.youtube.com/watch?v=0QdRJdA_aos"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://medium.com/%40thebinary0x1/safervpn-for-windows-arbitrary-file-overwrite-dos-bdc88fdb5ead"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://www.youtube.com/watch?v=0QdRJdA_aos"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-59"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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