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CVE-2018-18517

Status: ModifiedMedium (4.8)—

Citrix NetScaler Gateway 10.5.x before 10.5.69.003, 11.1.x before 11.1.59.004, 12.0.x before 12.0.58.7, and 12.1.x before 12.1.49.1 has XSS.

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)

Citrix — Netscaler Gateway Firmware

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2018-18517",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 3.5,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
          "authentication": "SINGLE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 6.8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ],
    "cvssMetricV30": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.0",
          "baseScore": 4.8,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "HIGH",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 1.7
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2018-10-24T21:29:00.967",
  "references": [
    {
      "url": "http://www.securityfocus.com/bid/105725",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id/1042023",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "https://support.citrix.com/article/CTX239002",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/105725",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id/1042023",
      "tags": [
        "Third Party Advisory",
        "VDB Entry"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://support.citrix.com/article/CTX239002",
      "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": "Citrix NetScaler Gateway 10.5.x before 10.5.69.003, 11.1.x before 11.1.59.004, 12.0.x before 12.0.58.7, and 12.1.x before 12.1.49.1 has XSS."
    },
    {
      "lang": "es",
      "value": "Citrix NetScaler Gateway en versiones 10.5.x anteriores a la 10.5.69.003, versiones 11.1.x anteriores a la 11.1.59.004, versiones 12.0.x anteriores a la 12.0.58.7 y versiones 12.1.x anteriores a la 12.1.49.1 tiene Cross-Site Scripting (XSS)."
    }
  ],
  "lastModified": "2026-06-17T01:47:26.750",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "821EDD21-9A34-40D9-A435-5324ED2C6CA9",
              "versionEndExcluding": "10.5.69.003",
              "versionStartIncluding": "10.5.0"
            },
            {
              "criteria": "cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C74243B3-82C1-4978-9EFB-CEB73C37D3A9",
              "versionEndExcluding": "11.1.59.004",
              "versionStartIncluding": "11.1.0"
            },
            {
              "criteria": "cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B3354080-1385-49B6-B497-5211C58FAF39",
              "versionEndExcluding": "12.0.58.7",
              "versionStartIncluding": "12.0.0"
            },
            {
              "criteria": "cpe:2.3:o:citrix:netscaler_gateway_firmware:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B9CEEFD-2CEE-450A-97CA-85E7A19A8667",
              "versionEndExcluding": "12.1.49.1",
              "versionStartIncluding": "12.1.0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}