Vulnerability-Lookup

FKIE_CVE-2019-8351

Vulnerability from fkie_nvd - Published: 2019-03-21 21:29 - Updated: 2026-06-17 02:41

Severity

9.1 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Summary

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.

References

	URL	Tags
	cve@mitre.org	https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update	Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update	Vendor Advisory

Impacted products

Vendor	Product	Version
heimdalsecurity	thor	2.5.170
heimdalsecurity	thor	2.5.171
heimdalsecurity	thor	2.5.172

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
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      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "7D2B5127-500C-4E1F-ADF7-03C550841059",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:heimdalsecurity:thor:2.5.171:*:*:*:*:*:*:*",
              "matchCriteriaId": "240DCCA7-C289-4158-9B38-DF874B77C759",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:heimdalsecurity:thor:2.5.172:*:*:*:*:*:*:*",
              "matchCriteriaId": "2CFA9054-7E0E-432B-8833-3B7CB025BF18",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "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 informaci\u00f3n sensible mediante un certificado manipulado."
    }
  ],
  "id": "CVE-2019-8351",
  "lastModified": "2026-06-17T02:41:52.997",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 6.4,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 9.1,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2019-03-21T21:29:00.840",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2019-8351 (GCVE-0-2019-8351)

Vulnerability from cvelistv5 – Published: 2019-03-21 20:28 – Updated: 2024-08-04 21:17

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

1 reference

URL	Tags
https://support.heimdalsecurity.com/hc/en-us/arti…	x_refsource_MISC

Date Public

2019-03-05 00:00

Show details on NVD website

JSON

To clipboard

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              "x_transferred"
            ],
            "url": "https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2019-03-05T00:00:00.000Z",
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        }
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      "problemTypes": [
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          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2019-03-21T20:28:40.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
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          ],
          "url": "https://support.heimdalsecurity.com/hc/en-us/articles/360001084158-Release-2-5-172-PROD-Update"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2019-8351",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
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                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
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                "vendor_name": "n/a"
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  "cveMetadata": {
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}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.