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CVE-2018-20808

Estado: ModificadaMedia (6.1)—

An XSS issue has been found with rd.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R3 due to improper header sanitization. This is not applicable to 8.1RX.

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)

Ivanti — Connect Secure

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2018-20808",
  "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:N/I:P/A:N",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-06-28T18:15:10.973",
  "references": [
    {
      "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA43877/",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An XSS issue has been found with rd.cgi in Pulse Secure Pulse Connect Secure 8.3RX before 8.3R3 due to improper header sanitization. This is not applicable to 8.1RX."
    },
    {
      "lang": "es",
      "value": "Se ha encontrado un problema de Cross-Site Scripting (XSS) con rd.cgi en Pulse Secure Pulse Connect Secure versión 8.3RX anteriores a la 8.3R3 debido al saneamiento inadecuado del encabezado. Esto no es aplicable a la versión 8.1RX."
    }
  ],
  "lastModified": "2026-06-17T01:53:31.067",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ivanti:connect_secure:8.3:r1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2871AAD9-FC12-4E2D-B722-0F721D7FE101"
            },
            {
              "criteria": "cpe:2.3:a:ivanti:connect_secure:8.3:r2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2A319BAB-F483-4926-9700-760D8025F747"
            },
            {
              "criteria": "cpe:2.3:a:ivanti:connect_secure:8.3:r2.1:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AA6BD7FD-29A3-468C-8A85-63202EB1B625"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}