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

Vulnerability from cvelistv5 – Published: 2025-08-26 13:03 – Updated: 2025-08-27 14:33
VLAI?
Title
Memory overflow vulnerability leading to unpredictable or erroneous behavior and Denial of Service
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.