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CVE-2019-8351

Estado: ModificadaCrítica (9.1)—

Heimdal Thor Agent 2.5.17x before 2.5.173 does not verify X.509 certificates from TLS servers, which allows remote attackers to spoof servers and obtain sensitive information via a crafted certificate.

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 (1)

Heimdalsecurity — Thor

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2019-8351",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 6.4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 4.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.0",
          "baseScore": 9.1,
          "attackVector": "NETWORK",
          "baseSeverity": "CRITICAL",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "integrityImpact": "HIGH",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "HIGH"
        },
        "impactScore": 5.2,
        "exploitabilityScore": 3.9
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-03-21T21:29:00.840",
  "references": [
    {
      "url": "https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Heimdal Thor Agent 2.5.17x before 2.5.173 does not verify X.509 certificates from TLS servers, which allows remote attackers to spoof servers and obtain sensitive information via a crafted certificate."
    },
    {
      "lang": "es",
      "value": "Heimdal Thor Agent, en versiones 2.5.17x anteriores a la 2.5.173, no verifica los certificados X.509 de los servidores TLS, lo que permite que los atacantes remotos suplanten servidores y obtengan información sensible mediante un certificado manipulado."
    }
  ],
  "lastModified": "2026-06-17T02:41:52.997",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:heimdalsecurity:thor:2.5.170:rc:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "7D2B5127-500C-4E1F-ADF7-03C550841059"
            },
            {
              "criteria": "cpe:2.3:a:heimdalsecurity:thor:2.5.171:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "240DCCA7-C289-4158-9B38-DF874B77C759"
            },
            {
              "criteria": "cpe:2.3:a:heimdalsecurity:thor:2.5.172:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2CFA9054-7E0E-432B-8833-3B7CB025BF18"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}