FKIE_CVE-2024-8534

Vulnerability from fkie_nvd - Published: 2024-11-12 19:15 - Updated: 2026-06-17 08:22
Severity
8.1 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
Memory safety vulnerability leading to memory corruption and Denial of Service in NetScaler ADC and Gateway if the appliance must be configured as a Gateway (VPN Vserver) with RDP Feature enabled OR the appliance must be configured as a Gateway (VPN Vserver) and RDP Proxy Server Profile is created and set to Gateway (VPN Vserver) OR the appliance must be configured as a Auth Server (AAA Vserver) with RDP Feature enabled
References
secure@citrix.comhttps://support.citrix.com/s/article/CTX691608-netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20248534-and-cve20248535?language=en_USVendor 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_gateway *
citrix netscaler_gateway *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "NetScaler ADC",
          "vendor": "NetSclaer",
          "versions": [
            {
              "lessThan": "29.72",
              "status": "affected",
              "version": "14.1",
              "versionType": "patch"
            },
            {
              "lessThan": "55.34",
              "status": "affected",
              "version": "13.1",
              "versionType": "patch"
            },
            {
              "lessThan": "37.207",
              "status": "affected",
              "version": "13.1-FIPS",
              "versionType": "patch"
            },
            {
              "lessThan": "55.321",
              "status": "affected",
              "version": "12.1-FIPS",
              "versionType": "patch"
            },
            {
              "lessThan": "55.321",
              "status": "affected",
              "version": "12.1-NDcPP",
              "versionType": "patch"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "NetScaler Gateway",
          "vendor": "NetScaler",
          "versions": [
            {
              "lessThan": "29.72",
              "status": "affected",
              "version": "14.1",
              "versionType": "patch"
            },
            {
              "lessThan": "55.34",
              "status": "affected",
              "version": "13.1",
              "versionType": "patch"
            },
            {
              "lessThan": "37.207",
              "status": "affected",
              "version": "13.1-FIPS",
              "versionType": "patch"
            },
            {
              "lessThan": "55.321",
              "status": "affected",
              "version": "12.1-FIPS",
              "versionType": "patch"
            },
            {
              "lessThan": "55.321",
              "status": "affected",
              "version": "12.1-NDcPP",
              "versionType": "patch"
            }
          ]
        }
      ],
      "source": "secure@citrix.com"
    },
    {
      "affectedData": [
        {
          "cpes": [
            "cpe:2.3:a:netscaler:adc:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unaffected",
          "product": "adc",
          "vendor": "netscaler",
          "versions": [
            {
              "lessThan": "14.1-29.72",
              "status": "affected",
              "version": "14.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:netscaler:gateway:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "gateway",
          "vendor": "netscaler",
          "versions": [
            {
              "lessThan": "14.1-29.72",
              "status": "affected",
              "version": "14.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:netscaler:adc:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "adc",
          "vendor": "netscaler",
          "versions": [
            {
              "lessThan": "13.1-55.34",
              "status": "affected",
              "version": "13.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:netscaler:netscaler-adc_13.1-fips:*:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "netscaler-adc_13.1-fips",
          "vendor": "netscaler",
          "versions": [
            {
              "lessThan": "13.1-37.207",
              "status": "affected",
              "version": "13.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:netscaler:netscaler-adc_12.1-fips:12.1:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "netscaler-adc_12.1-fips",
          "vendor": "netscaler",
          "versions": [
            {
              "lessThan": "12.1-55.321",
              "status": "affected",
              "version": "12.1",
              "versionType": "custom"
            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:netscaler:netscaler-adc_12.1-ndcpp:12.1:*:*:*:*:*:*:*"
          ],
          "defaultStatus": "unknown",
          "product": "netscaler-adc_12.1-ndcpp",
          "vendor": "netscaler",
          "versions": [
            {
              "lessThan": "12.1-55.321",
              "status": "affected",
              "version": "12.1",
              "versionType": "custom"
            }
          ]
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
              "matchCriteriaId": "F5EE3463-C7DB-493D-A14E-7A8891B903D9",
              "versionEndExcluding": "12.1-55.321",
              "versionStartIncluding": "12.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*",
              "matchCriteriaId": "1EAF1004-344C-4A0A-A1B6-A8932D763724",
              "versionEndExcluding": "12.1-55.321",
              "versionStartIncluding": "12.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "0F832616-B768-4B98-AF21-3C32CB1F9A3B",
              "versionEndExcluding": "13.1-55.34",
              "versionStartIncluding": "12.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*",
              "matchCriteriaId": "23A038D6-AA3B-4833-AEE8-0DCE05DC21E9",
              "versionEndExcluding": "13.1-37.207",
              "versionStartIncluding": "13.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*",
              "matchCriteriaId": "29410A07-D4E1-4D0F-BC78-4A2323325370",
              "versionEndExcluding": "14.1-29.72",
              "versionStartIncluding": "14.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B767B864-9D9B-4C28-A216-570E8835D466",
              "versionEndExcluding": "13.1-55.34",
              "versionStartIncluding": "12.1",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3E814029-E1B3-48E7-847E-B5A522D06780",
              "versionEndExcluding": "14.1-29.72",
              "versionStartIncluding": "14.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Memory safety vulnerability leading to memory corruption and Denial of Service\u00a0in NetScaler ADC and Gateway if the appliance must be configured as a Gateway (VPN Vserver) with RDP Feature enabled\u00a0OR the appliance must be configured as a Gateway (VPN Vserver) and RDP Proxy Server Profile is created and set to Gateway (VPN Vserver)\u00a0OR the appliance must be configured as a Auth Server (AAA Vserver) with RDP Feature enabled"
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de seguridad de la memoria que provoca corrupci\u00f3n de memoria y denegaci\u00f3n de servicio en NetScaler ADC y Gateway si el dispositivo debe configurarse como un Gateway (VPN Vserver) con la funci\u00f3n RDP habilitada O el dispositivo debe configurarse como un Gateway (VPN Vserver) y se crea un perfil de servidor proxy RDP y se configura como Gateway (VPN Vserver) O el dispositivo debe configurarse como un servidor de autenticaci\u00f3n (AAA Vserver) con la funci\u00f3n RDP habilitada"
    }
  ],
  "id": "CVE-2024-8534",
  "lastModified": "2026-06-17T08:22:48.560",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "cvssMetricV40": [
      {
        "cvssData": {
          "Automatable": "NOT_DEFINED",
          "Recovery": "NOT_DEFINED",
          "Safety": "NOT_DEFINED",
          "attackComplexity": "LOW",
          "attackRequirements": "PRESENT",
          "attackVector": "NETWORK",
          "availabilityRequirement": "NOT_DEFINED",
          "baseScore": 8.4,
          "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:P/PR:N/UI:N/VC:L/VI:H/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": "HIGH",
          "vulnerabilityResponseEffort": "NOT_DEFINED"
        },
        "source": "secure@citrix.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-8534",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "yes"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2024-11-13T14:38:35.887321Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-11-12T19:15:18.907",
  "references": [
    {
      "source": "secure@citrix.com",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://support.citrix.com/s/article/CTX691608-netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20248534-and-cve20248535?language=en_US"
    }
  ],
  "sourceIdentifier": "secure@citrix.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-119"
        }
      ],
      "source": "secure@citrix.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}


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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.