FKIE_CVE-2025-50054

Vulnerability from fkie_nvd - Published: 2025-06-20 07:15 - Updated: 2026-06-17 09:34
Severity
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Summary
Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash
References
security@openvpn.nethttps://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025Release Notes
security@openvpn.nethttps://community.openvpn.net/Security%20Announcements/CVE-2025-50054Vendor Advisory
Impacted products
Vendor Product Version
openvpn ovpn-dco-win *
openvpn ovpn-dco-win *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "platforms": [
            "Windows"
          ],
          "product": "ovpn-dco-win",
          "repo": "https://github.com/OpenVPN/ovpn-dco-win",
          "vendor": "OpenVPN",
          "versions": [
            {
              "lessThan": "1.3.1",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "2.5.9",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@openvpn.net"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openvpn:ovpn-dco-win:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "222FBD46-8E1D-4B75-A15D-4C53FFBA0421",
              "versionEndIncluding": "1.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:ovpn-dco-win:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "2E239D83-CB2D-4352-BB21-93AB68ADB1E1",
              "versionEndIncluding": "2.5.8",
              "versionStartIncluding": "2.4.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Buffer overflow in OpenVPN ovpn-dco-win version 1.3.0 and earlier and version 2.5.8 and earlier allows a local user process to send a too large control message buffer to the kernel driver resulting in a system crash"
    },
    {
      "lang": "es",
      "value": "El desbordamiento de b\u00fafer en OpenVPN ovpn-dco-win versi\u00f3n 1.3.0 y anteriores y versi\u00f3n 2.5.8 y anteriores permite que un proceso de usuario local env\u00ede un b\u00fafer de mensaje de control demasiado grande al controlador del kernel, lo que provoca un bloqueo del sistema."
    }
  ],
  "id": "CVE-2025-50054",
  "lastModified": "2026-06-17T09:34:33.487",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-50054",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-06-23T15:48:35.752930Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2025-06-20T07:15:26.367",
  "references": [
    {
      "source": "security@openvpn.net",
      "tags": [
        "Release Notes"
      ],
      "url": "https://community.openvpn.net/Downloads#openvpn-27_alpha2-released-19-june-2025"
    },
    {
      "source": "security@openvpn.net",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://community.openvpn.net/Security%20Announcements/CVE-2025-50054"
    }
  ],
  "sourceIdentifier": "security@openvpn.net",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-122"
        },
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "security@openvpn.net",
      "type": "Secondary"
    }
  ]
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.