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CVE-2018-20307

Status: ModifiedMedium (4.3)—

Pulse Secure Virtual Traffic Manager 9.9 versions prior to 9.9r2 and 10.4r1 allow a remote authenticated user to obtain sensitive historical activity information by leveraging incorrect permission validation.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Pulsesecure — Virtual Traffic Manager

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-20307",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:P/I:N/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "UNCHANGED",
          "version": "3.1",
          "baseScore": 4.3,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N",
          "integrityImpact": "NONE",
          "userInteraction": "NONE",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 1.4,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-12-20T09:29:00.477",
  "references": [
    {
      "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43730",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Pulse Secure Virtual Traffic Manager 9.9 versions prior to 9.9r2 and 10.4r1 allow a remote authenticated user to obtain sensitive historical activity information by leveraging incorrect permission validation."
    },
    {
      "lang": "es",
      "value": "Pulse Secure Virtual Traffic Manager, en versiones 9.9 anteriores a la 9.9r2 y la 10.4r1 permiten que un usuario autenticado remoto obtenga información sensible del historial de actividades aprovechando la validación incorrecta de permisos."
    }
  ],
  "lastModified": "2026-06-17T01:52:35.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:pulsesecure:virtual_traffic_manager:9.9:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D0771AE6-E666-4D75-A7C0-4E0160766866"
            },
            {
              "criteria": "cpe:2.3:a:pulsesecure:virtual_traffic_manager:9.9:r1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "574B1892-E911-43B8-B982-884B927DE275"
            },
            {
              "criteria": "cpe:2.3:a:pulsesecure:virtual_traffic_manager:10.4:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "A4E946E0-F656-46AB-94B7-202133AEB55A"
            },
            {
              "criteria": "cpe:2.3:a:pulsesecure:virtual_traffic_manager:17.2:-:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "9CFD0114-C9E8-4236-9939-4F2FF4EE83B8"
            }
          ],
          "operator": "OR"
        }
      ]
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  ],
  "sourceIdentifier": "cve@mitre.org"
}