FKIE_CVE-2017-11506

Vulnerability from fkie_nvd - Published: 2017-08-09 12:29 - Updated: 2026-05-13 00:24
Severity
7.4 (High) - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N
Summary
When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager's TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks.
References
vulnreport@tenable.comhttp://www.securitytracker.com/id/1039141Third Party Advisory, VDB Entry
vulnreport@tenable.comhttps://www.tenable.com/security/tns-2017-11Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.securitytracker.com/id/1039141Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://www.tenable.com/security/tns-2017-11Vendor Advisory
Impacted products
Vendor Product Version
tenable nessus 6.0.0
tenable nessus 6.0.1
tenable nessus 6.0.2
tenable nessus 6.1.0
tenable nessus 6.1.1
tenable nessus 6.1.2
tenable nessus 6.2.0
tenable nessus 6.2.1
tenable nessus 6.3.0
tenable nessus 6.3.1
tenable nessus 6.3.2
tenable nessus 6.3.3
tenable nessus 6.3.4
tenable nessus 6.3.5
tenable nessus 6.3.6
tenable nessus 6.3.7
tenable nessus 6.4.0
tenable nessus 6.4.1
tenable nessus 6.4.2
tenable nessus 6.4.3
tenable nessus 6.5.0
tenable nessus 6.5.1
tenable nessus 6.5.2
tenable nessus 6.5.3
tenable nessus 6.5.4
tenable nessus 6.5.5
tenable nessus 6.5.6
tenable nessus 6.6.0
tenable nessus 6.6.1
tenable nessus 6.6.2
tenable nessus 6.7.0
tenable nessus 6.8.0
tenable nessus 6.8.1
tenable nessus 6.9.0
tenable nessus 6.9.1
tenable nessus 6.9.2
tenable nessus 6.9.3
tenable nessus 6.10.0
tenable nessus 6.10.1
tenable nessus 6.10.2
tenable nessus 6.10.3
tenable nessus 6.10.4
tenable nessus 6.10.5
tenable nessus 6.10.6
tenable nessus 6.10.7
tenable nessus 6.10.8
tenable nessus 6.10.9
To clipboard 

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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "When linking a Nessus scanner or agent to Tenable.io or other manager, Nessus 6.x before 6.11 does not verify the manager\u0027s TLS certificate when making the initial outgoing connection. This could allow man-in-the-middle attacks."
    },
    {
      "lang": "es",
      "value": "Cuando se enlaza un esc\u00e1ner o agente Nessus a Tenable.io u otro gestor, Nessus en versiones 6.x anteriores a la 6.11 no verifica el certificado TLS del gestor cuando se realiza la conexi\u00f3n de salida inicial. Esto podr\u00eda permitir ataques man-in-the-middle."
    }
  ],
  "id": "CVE-2017-11506",
  "lastModified": "2026-05-13T00:24:29.033",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV30": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.0"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2017-08-09T12:29:00.257",
  "references": [
    {
      "source": "vulnreport@tenable.com",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://www.securitytracker.com/id/1039141"
    },
    {
      "source": "vulnreport@tenable.com",
      "tags": [
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      ],
      "url": "https://www.tenable.com/security/tns-2017-11"
    },
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      "url": "https://www.tenable.com/security/tns-2017-11"
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  ],
  "sourceIdentifier": "vulnreport@tenable.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
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}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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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.