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CVE-2025-12101

Status: DeferredMedium (5.9)—

Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server

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 (2)

⚠ AI-inferred from the description — NVD hasn't analyzed this CVE yet, these aren't verified CPEs.

Citrix — Netscaler ADCAICitrix — Netscaler GatewayAI

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-12101",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-12101",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-11-12T14:54:37.426494Z"
        }
      }
    ],
    "cvssMetricV40": [
      {
        "type": "Secondary",
        "source": "secure@citrix.com",
        "cvssData": {
          "Safety": "NOT_DEFINED",
          "version": "4.0",
          "Recovery": "NOT_DEFINED",
          "baseScore": 5.9,
          "Automatable": "NOT_DEFINED",
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
          "exploitMaturity": "NOT_DEFINED",
          "providerUrgency": "NOT_DEFINED",
          "userInteraction": "ACTIVE",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "privilegesRequired": "NONE",
          "subIntegrityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "subAvailabilityImpact": "LOW",
          "vulnAvailabilityImpact": "LOW",
          "availabilityRequirement": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "subConfidentialityImpact": "LOW",
          "vulnConfidentialityImpact": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "vulnerabilityResponseEffort": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED"
        }
      }
    ]
  },
  "affected": [
    {
      "source": "secure@citrix.com",
      "affectedData": [
        {
          "vendor": "NetScaler",
          "product": "ADC",
          "versions": [
            {
              "status": "affected",
              "version": "14.1",
              "lessThan": "56.73",
              "versionType": "patch"
            },
            {
              "status": "affected",
              "version": "13.1",
              "lessThan": "60.32",
              "versionType": "patch"
            },
            {
              "status": "affected",
              "version": "13.1-FIPS and NDcPP",
              "lessThan": "37.250",
              "versionType": "patch"
            },
            {
              "status": "affected",
              "version": "12.1-FIPS and NDcPP",
              "lessThan": "55.333",
              "versionType": "patch"
            }
          ],
          "defaultStatus": "unaffected"
        },
        {
          "vendor": "NetScaler",
          "product": "Gateway",
          "versions": [
            {
              "status": "affected",
              "version": "14.1",
              "lessThan": "56.73",
              "versionType": "patch"
            },
            {
              "status": "affected",
              "version": "13.1",
              "lessThan": "60.32",
              "versionType": "patch"
            },
            {
              "status": "affected",
              "version": "13.1-FIPS and NDcPP",
              "lessThan": "37.250",
              "versionType": "patch"
            },
            {
              "status": "affected",
              "version": "12.1-FIPS and NDcPP",
              "lessThan": "55.333",
              "versionType": "patch"
            }
          ],
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-11-11T14:15:35.110",
  "references": [
    {
      "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX695486",
      "source": "secure@citrix.com"
    }
  ],
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "secure@citrix.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cross-Site Scripting (XSS) in NetScaler ADC and NetScaler Gateway when the appliance is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) OR AAA virtual server"
    }
  ],
  "lastModified": "2026-06-17T08:31:43.357",
  "sourceIdentifier": "secure@citrix.com"
}