FKIE_CVE-2025-12106

Vulnerability from fkie_nvd - Published: 2025-12-01 13:16 - Updated: 2025-12-30 14:52
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-2025-12106Vendor Advisory
security@openvpn.nethttps://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.htmlMailing List
Impacted products
Vendor Product Version
openvpn openvpn 2.6.13
openvpn openvpn 2.7
openvpn openvpn 2.7
openvpn openvpn 2.7
openvpn openvpn 2.7
openvpn openvpn 2.7
openvpn openvpn 2.7
openvpn openvpn 2.7
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.6.13:*:*:*:community:*:*:*",
              "matchCriteriaId": "0D9B6BB8-806A-4FA0-B86D-F30C97841C63",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.7:alpha1:*:*:community:*:*:*",
              "matchCriteriaId": "474A2F74-9D40-437D-B71A-43A8A26C2A55",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.7:alpha2:*:*:community:*:*:*",
              "matchCriteriaId": "1F5B810E-3614-4332-9281-B2AA28BD9403",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.7:alpha3:*:*:community:*:*:*",
              "matchCriteriaId": "2A423301-191A-4578-B824-22024A225C1C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.7:beta1:*:*:community:*:*:*",
              "matchCriteriaId": "537BC1B1-7E25-48A0-9750-443E6774FD97",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.7:beta2:*:*:community:*:*:*",
              "matchCriteriaId": "387E2C7F-C16A-49FA-827B-642BA760320D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.7:beta3:*:*:community:*:*:*",
              "matchCriteriaId": "183C57B8-5F1E-44E8-8B8A-5FBCDB926F21",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:openvpn:openvpn:2.7:rc1:*:*:community:*:*:*",
              "matchCriteriaId": "113A4E81-FF15-4E70-8DE5-E82AA3FB1D79",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "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": "2025-12-30T14:52:06.967",
  "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",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://community.openvpn.net/Security%20Announcements/CVE-2025-12106"
    },
    {
      "source": "security@openvpn.net",
      "tags": [
        "Mailing List"
      ],
      "url": "https://www.mail-archive.com/openvpn-announce@lists.sourceforge.net/msg00152.html"
    }
  ],
  "sourceIdentifier": "security@openvpn.net",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-126"
        }
      ],
      "source": "security@openvpn.net",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.



Detection rules are retrieved from Rulezet.