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{"cisaActionDue": "2024-02-07", "cisaExploitAdd": "2024-01-17", "cisaRequiredAction": "Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.", "cisaVulnerabilityName": "Citrix NetScaler ADC and NetScaler Gateway Buffer Overflow Vulnerability", "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "matchCriteriaId": "E5672003-8E6B-4316-B5C9-FE436080ADD1", "versionEndExcluding": "12.1-55.302", "versionStartIncluding": "12.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:ndcpp:*:*:*", "matchCriteriaId": "D1A11ABD-4F45-4BA9-B30B-F1D8A612CC15", "versionEndExcluding": "12.1-55.302", "versionStartIncluding": "12.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "matchCriteriaId": "FC0A5AAC-62DD-416A-A801-A7A95D5EF73C", "versionEndExcluding": "13.0-92.21", "versionStartIncluding": "13.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:fips:*:*:*", "matchCriteriaId": "8C8A6B95-8338-4EE7-A6EC-7D84AEDC4AF3", "versionEndExcluding": "13.1-37.176", "versionStartIncluding": "13.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "matchCriteriaId": "3CF77D9D-FC89-493D-B97D-F9699D182F54", "versionEndExcluding": "13.1-51.15", "versionStartIncluding": "13.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_application_delivery_controller:*:*:*:*:-:*:*:*", "matchCriteriaId": "62CD82CF-9013-4E54-B175-19B804A351AA", "versionEndExcluding": "14.1-12.35", "versionStartIncluding": "14.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "68E1F810-ABCD-40A7-A8C1-4E8727799C7C", "versionEndExcluding": "13.0-92.21", "versionStartIncluding": "13.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "E870C309-D5CD-4181-9DEB-4833DE2EAEB7", "versionEndExcluding": "13.1-51.15", "versionStartIncluding": "13.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:netscaler_gateway:*:*:*:*:*:*:*:*", "matchCriteriaId": "2836707F-A36F-479E-BFDC-CF55AEFC37EE", "versionEndExcluding": "14.1-12.35", "versionStartIncluding": "14.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Improper Restriction of Operations within the Bounds of a Memory Buffer in NetScaler ADC and NetScaler Gateway allows Unauthenticated Denial of Service and\u00a0Out-Of-Bounds Memory Read\n"}, {"lang": "es", "value": "La restricci\u00f3n inadecuada de las operaciones dentro de los l\u00edmites de un b\u00fafer de memoria en NetScaler ADC y NetScaler Gateway permite una denegaci\u00f3n de servicio no autenticada"}], "id": "CVE-2023-6549", "lastModified": "2024-11-21T08:44:04.727", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "secure@citrix.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.5, "baseSeverity": "HIGH", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2024-01-17T21:15:11.690", "references": [{"source": "secure@citrix.com", "tags": ["Vendor Advisory"], "url": "https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://support.citrix.com/article/CTX584986/netscaler-adc-and-netscaler-gateway-security-bulletin-for-cve20236548-and-cve20236549"}], "sourceIdentifier": "secure@citrix.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "secure@citrix.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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