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CVE-2018-16758

Estado: ModificadaMedia (5.9)—

Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets.

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 (3)

Debian — Debian LinuxStarwindsoftware — Starwind Virtual SANTinc-vpn — Tinc

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2018-16758",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 5.9,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "HIGH",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 3.6,
        "exploitabilityScore": 2.2
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-10-10T21:29:02.103",
  "references": [
    {
      "url": "http://tinc-vpn.org/security/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.tinc-vpn.org/git/browse?p=tinc%3Ba=commit%3Bh=e97943b7cc9c851ae36f5a41e2b6102faa74193f",
      "source": "cve@mitre.org"
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    {
      "url": "https://www.debian.org/security/2018/dsa-4312",
      "tags": [
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "https://www.starwindsoftware.com/security/sw-20190227-0003/",
      "tags": [
        "Third Party Advisory"
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      "source": "cve@mitre.org"
    },
    {
      "url": "http://tinc-vpn.org/security/",
      "tags": [
        "Vendor Advisory"
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.tinc-vpn.org/git/browse?p=tinc%3Ba=commit%3Bh=e97943b7cc9c851ae36f5a41e2b6102faa74193f",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
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    {
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      "tags": [
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      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-306"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Missing message authentication in the meta-protocol in Tinc VPN version 1.0.34 and earlier allows a man-in-the-middle attack to disable the encryption of VPN packets."
    },
    {
      "lang": "es",
      "value": "La falta de autenticación de mensajes en el protocolo meta en Tinc VPN en versiones 1.0.34 y anteriores permite que un ataque Man-in-the-Middle (MitM) deshabilite el cifrado de paquetes VPN."
    }
  ],
  "lastModified": "2026-06-17T01:44:46.107",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:tinc-vpn:tinc:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C9D1A7EF-6097-4C0A-8A2D-A7311F254FFF",
              "versionEndIncluding": "1.0.34"
            }
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          "operator": "OR"
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          "operator": "OR"
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    {
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            },
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              "matchCriteriaId": "6FF4A265-AFFD-4853-B3CE-A55E950E8B5B"
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  "sourceIdentifier": "cve@mitre.org"
}