CVE-2025-7776 (GCVE-0-2025-7776)

Vulnerability from cvelistv5 – Published: 2025-08-26 13:03 – Updated: 2025-08-27 14:33
VLAI?
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
Severity ?
8.8 (High)
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
CWE
  • CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Assigner
References
Impacted products
Vendor Product Version
NetScaler ADC Affected: 14.1 , < 47.48 (patch)
Affected: 13.1 , < 59.22 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.241 (patch)
Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)
Create a notification for this product.
    NetScaler Gateway Affected: 14.1 , < 47.48 (patch)
Affected: 13.1 , < 59.22 (patch)
Affected: 13.1 FIPS and NDcPP , < 37.241 (patch)
Affected: 12.1 FIPS and NDcPP , < 55.330 (patch)
Create a notification for this product.
Show details on NVD website
To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-7776",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-08-27T14:33:04.448715Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-08-27T14:33:12.503Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "ADC",
          "vendor": "NetScaler",
          "versions": [
            {
              "lessThan": "47.48",
              "status": "affected",
              "version": "14.1",
              "versionType": "patch"
            },
            {
              "lessThan": "59.22",
              "status": "affected",
              "version": "13.1",
              "versionType": "patch"
            },
            {
              "lessThan": "37.241",
              "status": "affected",
              "version": "13.1 FIPS and NDcPP",
              "versionType": "patch"
            },
            {
              "lessThan": "55.330",
              "status": "affected",
              "version": "12.1 FIPS and NDcPP",
              "versionType": "patch"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Gateway",
          "vendor": "NetScaler",
          "versions": [
            {
              "lessThan": "47.48",
              "status": "affected",
              "version": "14.1",
              "versionType": "patch"
            },
            {
              "lessThan": "59.22",
              "status": "affected",
              "version": "13.1",
              "versionType": "patch"
            },
            {
              "lessThan": "37.241",
              "status": "affected",
              "version": "13.1 FIPS and NDcPP",
              "versionType": "patch"
            },
            {
              "lessThan": "55.330",
              "status": "affected",
              "version": "12.1 FIPS and NDcPP",
              "versionType": "patch"
            }
          ]
        }
      ],
      "datePublic": "2025-08-26T12:59:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eMemory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service\u003c/span\u003e\u0026nbsp;in\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eNetScaler ADC and NetScaler Gateway when\u0026nbsp;\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eNetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it \u003c/span\u003e\u003c/span\u003e\u003cbr\u003e"
            }
          ],
          "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"
        }
      ],
      "metrics": [
        {
          "cvssV4_0": {
            "Automatable": "NOT_DEFINED",
            "Recovery": "NOT_DEFINED",
            "Safety": "NOT_DEFINED",
            "attackComplexity": "LOW",
            "attackRequirements": "NONE",
            "attackVector": "NETWORK",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "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",
            "version": "4.0",
            "vulnAvailabilityImpact": "HIGH",
            "vulnConfidentialityImpact": "LOW",
            "vulnIntegrityImpact": "LOW",
            "vulnerabilityResponseEffort": "NOT_DEFINED"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-119",
              "description": "CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-08-26T13:03:42.316Z",
        "orgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6",
        "shortName": "Citrix"
      },
      "references": [
        {
          "url": "https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "e437aed5-38e0-4fa3-a98b-cb73e7acaec6",
    "assignerShortName": "Citrix",
    "cveId": "CVE-2025-7776",
    "datePublished": "2025-08-26T13:03:42.316Z",
    "dateReserved": "2025-07-17T20:39:15.456Z",
    "dateUpdated": "2025-08-27T14:33:12.503Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-7776\",\"sourceIdentifier\":\"secure@citrix.com\",\"published\":\"2025-08-26T13:15:33.193\",\"lastModified\":\"2025-09-03T17:38:30.300\",\"vulnStatus\":\"Analyzed\",\"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.\"}],\"metrics\":{\"cvssMetricV40\":[{\"source\":\"secure@citrix.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"4.0\",\"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\",\"baseScore\":8.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"attackRequirements\":\"NONE\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"vulnConfidentialityImpact\":\"LOW\",\"vulnIntegrityImpact\":\"LOW\",\"vulnAvailabilityImpact\":\"HIGH\",\"subConfidentialityImpact\":\"NONE\",\"subIntegrityImpact\":\"NONE\",\"subAvailabilityImpact\":\"LOW\",\"exploitMaturity\":\"NOT_DEFINED\",\"confidentialityRequirement\":\"NOT_DEFINED\",\"integrityRequirement\":\"NOT_DEFINED\",\"availabilityRequirement\":\"NOT_DEFINED\",\"modifiedAttackVector\":\"NOT_DEFINED\",\"modifiedAttackComplexity\":\"NOT_DEFINED\",\"modifiedAttackRequirements\":\"NOT_DEFINED\",\"modifiedPrivilegesRequired\":\"NOT_DEFINED\",\"modifiedUserInteraction\":\"NOT_DEFINED\",\"modifiedVulnConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedVulnIntegrityImpact\":\"NOT_DEFINED\",\"modifiedVulnAvailabilityImpact\":\"NOT_DEFINED\",\"modifiedSubConfidentialityImpact\":\"NOT_DEFINED\",\"modifiedSubIntegrityImpact\":\"NOT_DEFINED\",\"modifiedSubAvailabilityImpact\":\"NOT_DEFINED\",\"Safety\":\"NOT_DEFINED\",\"Automatable\":\"NOT_DEFINED\",\"Recovery\":\"NOT_DEFINED\",\"valueDensity\":\"NOT_DEFINED\",\"vulnerabilityResponseEffort\":\"NOT_DEFINED\",\"providerUrgency\":\"NOT_DEFINED\"}}],\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":9.8,\"baseSeverity\":\"CRITICAL\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"secure@citrix.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-119\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*\",\"versionStartIncluding\":\"12.1\",\"versionEndExcluding\":\"12.1-55.330\",\"matchCriteriaId\":\"5920186A-2278-4C5E-A2EE-047C4F6FAACD\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*\",\"versionStartIncluding\":\"12.1\",\"versionEndExcluding\":\"12.1-55.330\",\"matchCriteriaId\":\"E09EC98B-E057-4FF7-9B18-EF460A29B876\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"13.1-37.241\",\"matchCriteriaId\":\"0096548F-A846-4D80-A4C6-71389543630F\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"13.1-37.241\",\"matchCriteriaId\":\"F40E29F2-8013-41A8-91A5-848FE6365876\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"13.1-59.22\",\"matchCriteriaId\":\"C2009493-AAFD-4090-84BC-5217A860E42A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*\",\"versionStartIncluding\":\"14.1\",\"versionEndExcluding\":\"14.1-47.48\",\"matchCriteriaId\":\"3487EADF-F387-4DD4-B600-B1EBC416632E\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"13.1\",\"versionEndExcluding\":\"13.1-59.22\",\"matchCriteriaId\":\"DBA34500-BFE6-4B33-A52B-326C4C2069B1\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"14.1\",\"versionEndExcluding\":\"14.1-47.48\",\"matchCriteriaId\":\"004E06F6-0ABF-4414-B2A2-8834C1E6107D\"}]}]}],\"references\":[{\"url\":\"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938\",\"source\":\"secure@citrix.com\",\"tags\":[\"Vendor Advisory\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-7776\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"yes\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-08-27T14:33:04.448715Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-08-27T14:33:09.770Z\"}}], \"cna\": {\"title\": \"Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 8.8, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"NETWORK\", \"baseSeverity\": \"HIGH\", \"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\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"LOW\", \"subAvailabilityImpact\": \"LOW\", \"vulnAvailabilityImpact\": \"HIGH\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"LOW\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"vendor\": \"NetScaler\", \"product\": \"ADC\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.1\", \"lessThan\": \"47.48\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"13.1\", \"lessThan\": \"59.22\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"13.1 FIPS and NDcPP\", \"lessThan\": \"37.241\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"12.1 FIPS and NDcPP\", \"lessThan\": \"55.330\", \"versionType\": \"patch\"}], \"defaultStatus\": \"unaffected\"}, {\"vendor\": \"NetScaler\", \"product\": \"Gateway\", \"versions\": [{\"status\": \"affected\", \"version\": \"14.1\", \"lessThan\": \"47.48\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"13.1\", \"lessThan\": \"59.22\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"13.1 FIPS and NDcPP\", \"lessThan\": \"37.241\", \"versionType\": \"patch\"}, {\"status\": \"affected\", \"version\": \"12.1 FIPS and NDcPP\", \"lessThan\": \"55.330\", \"versionType\": \"patch\"}], \"defaultStatus\": \"unaffected\"}], \"datePublic\": \"2025-08-26T12:59:00.000Z\", \"references\": [{\"url\": \"https://support.citrix.com/support-home/kbsearch/article?articleNumber=CTX694938\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"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\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eMemory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service\u003c/span\u003e\u0026nbsp;in\u0026nbsp;\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eNetScaler ADC and NetScaler Gateway when\u0026nbsp;\u003cspan style=\\\"background-color: rgb(255, 255, 255);\\\"\u003eNetScaler is configured as a Gateway (VPN virtual server, ICA Proxy, CVPN, RDP Proxy) with PCoIP Profile bounded to it \u003c/span\u003e\u003c/span\u003e\u003cbr\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-119\", \"description\": \"CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer\"}]}], \"providerMetadata\": {\"orgId\": \"e437aed5-38e0-4fa3-a98b-cb73e7acaec6\", \"shortName\": \"Citrix\", \"dateUpdated\": \"2025-08-26T13:03:42.316Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-7776\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-27T14:33:12.503Z\", \"dateReserved\": \"2025-07-17T20:39:15.456Z\", \"assignerOrgId\": \"e437aed5-38e0-4fa3-a98b-cb73e7acaec6\", \"datePublished\": \"2025-08-26T13:03:42.316Z\", \"assignerShortName\": \"Citrix\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.