fkie_cve-2025-7776
Vulnerability from fkie_nvd
Published
2025-08-26 13:15
Modified
2025-09-03 17:38
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service in NetScaler ADC and NetScaler Gateway when NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it
References
secure@citrix.comhttps://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938Vendor Advisory
Impacted products
Vendor Product Version
citrix netscaler_application_delivery_controller *
citrix netscaler_application_delivery_controller *
citrix netscaler_application_delivery_controller *
citrix netscaler_application_delivery_controller *
citrix netscaler_application_delivery_controller *
citrix netscaler_application_delivery_controller *
citrix netscaler_gateway *
citrix netscaler_gateway *


To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
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              "versionEndExcluding": "12.1-55.330",
              "versionStartIncluding": "12.1",
              "vulnerable": true
            },
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            },
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            },
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            },
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          "negate": false,
          "operator": "OR"
        }
      ]
    },
    {
      "nodes": [
        {
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service\u00a0in\u00a0NetScaler ADC and NetScaler Gateway when\u00a0NetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it"
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de desbordamiento de memoria que genera un comportamiento impredecible o err\u00f3neo y una denegaci\u00f3n de servicio en NetScaler ADC y NetScaler Gateway cuando NetScaler est\u00e1 configurado como un Gateway (servidor virtual VPN, proxy ICA, CVPN, proxy RDP) con un perfil PCoIP vinculado a \u00e9l."
    }
  ],
  "id": "CVE-2025-7776",
  "lastModified": "2025-09-03T17:38:30.300",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "NONE",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityRequirement": "NOT_DEFINED",
          "exploitMaturity": "NOT_DEFINED",
          "integrityRequirement": "NOT_DEFINED",
          "modifiedAttackComplexity": "NOT_DEFINED",
          "modifiedAttackRequirements": "NOT_DEFINED",
          "modifiedAttackVector": "NOT_DEFINED",
          "modifiedPrivilegesRequired": "NOT_DEFINED",
          "modifiedSubAvailabilityImpact": "NOT_DEFINED",
          "modifiedSubConfidentialityImpact": "NOT_DEFINED",
          "modifiedSubIntegrityImpact": "NOT_DEFINED",
          "modifiedUserInteraction": "NOT_DEFINED",
          "modifiedVulnAvailabilityImpact": "NOT_DEFINED",
          "modifiedVulnConfidentialityImpact": "NOT_DEFINED",
          "modifiedVulnIntegrityImpact": "NOT_DEFINED",
          "privilegesRequired": "NONE",
          "providerUrgency": "NOT_DEFINED",
          "subAvailabilityImpact": "LOW",
          "subConfidentialityImpact": "NONE",
          "subIntegrityImpact": "NONE",
          "userInteraction": "NONE",
          "valueDensity": "NOT_DEFINED",
          "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/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",
          "version": "4.0",
          "vulnAvailabilityImpact": "HIGH",
          "vulnConfidentialityImpact": "LOW",
          "vulnIntegrityImpact": "LOW",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "secure@citrix.com",
        "type": "Secondary"
      }
    ]
  },
  "published": "2025-08-26T13:15:33.193",
  "references": [
    {
      "source": "secure@citrix.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938"
    }
  ],
  "sourceIdentifier": "secure@citrix.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "secure@citrix.com",
      "type": "Secondary"
    }
  ]
}


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