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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:citrix:access_gateway:8.1:*:enterprise:*:*:*:*:*", "matchCriteriaId": "9A7BC4F8-DF07-499B-90CD-53EAB854014B", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:access_gateway:9.0:*:enterprise:*:*:*:*:*", "matchCriteriaId": "0DCDF4DE-F0DF-427A-980C-62314FCE6A45", "vulnerable": true}, {"criteria": "cpe:2.3:a:citrix:access_gateway:9.1:*:enterprise:*:*:*:*:*", "matchCriteriaId": "F409FE7A-88D6-4FFB-8D78-0C0FCFB5DD8E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Stack-based buffer overflow in the NSEPA.NsepaCtrl.1 ActiveX control in nsepa.ocx in Citrix Access Gateway Enterprise Edition 8.1 before 8.1-67.7, 9.0 before 9.0-70.5, and 9.1 before 9.1-96.4 allows remote attackers to execute arbitrary code via crafted HTTP header data."}, {"lang": "es", "value": "Desbordamiento de b\u00fafer basado en pila en el control ActiveX NSEPA.NsepaCtrl.1 en nsepa.ocx en Citrix Access Gateway Enterprise Edition v8.1 anterior a v8.1-67.7, v9.0 anterior a v9.0-70.5, y v9.1 anterior a v9.1-96.4 permite a atacantes remotos ejecutar c\u00f3digo arbitrario a trav\u00e9s de cabeceras HTTP manipuladas."}], "id": "CVE-2011-2882", "lastModified": "2026-06-16T23:32:10.563", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "HIGH", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 9.3, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}]}, "published": "2011-07-21T23:55:04.270", "references": [{"source": "cve@mitre.org", "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=929"}, {"source": "cve@mitre.org", "url": "http://securityreason.com/securityalert/8358"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=929"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://securityreason.com/securityalert/8358"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-119"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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