FKIE_CVE-2025-12106

Vulnerability from fkie_nvd - Published: 2025-12-01 13:16 - Updated: 2025-12-01 19:15
Severity ?
9.1 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Summary
Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses
References
security@openvpn.nethttps://community.openvpn.net/Security%20Announcements/CVE-2025-12106
security@openvpn.nethttps://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html
Impacted products
Vendor Product Version
To clipboard 

{
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Insufficient argument validation in OpenVPN 2.7_alpha1 through 2.7_rc1 allows an attacker to trigger a heap buffer over-read when parsing IP addresses"
    }
  ],
  "id": "CVE-2025-12106",
  "lastModified": "2025-12-01T19:15:49.303",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-12-01T13:16:00.070",
  "references": [
    {
      "source": "security@openvpn.net",
      "url": "https://community.openvpn.net/Security%20Announcements/CVE-2025-12106"
    },
    {
      "source": "security@openvpn.net",
      "url": "https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html"
    }
  ],
  "sourceIdentifier": "security@openvpn.net",
  "vulnStatus": "Awaiting Analysis",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ],
      "source": "security@openvpn.net",
      "type": "Secondary"
    }
  ]
}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.