CVE-2009-1156

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "psirt@cisco.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "1AB1C21E-6A68-4851-BCFC-12E8E5BE9610", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "4FC14168-91A7-4D42-9CEA-09AAA3BBE2B6", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:pix:8.0:*:*:*:*:*:*:*", "matchCriteriaId": "35649F68-BD09-4684-925D-620D99B42CE8", "vulnerable": true}, {"criteria": "cpe:2.3:h:cisco:pix:8.1:*:*:*:*:*:*:*", "matchCriteriaId": "E32C602C-E278-4DA2-B7D0-941FABA9ADC0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Unspecified vulnerability on Cisco Adaptive Security Appliances (ASA) 5500 Series devices 8.0 before 8.0(4)25 and 8.1 before 8.1(2)15, when an SSL VPN or ASDM access is configured, allows remote attackers to cause a denial of service (device reload) via a crafted (1) SSL or (2) HTTP packet."}, {"lang": "es", "value": "Vulnerabilidad no espec\u00edfica en Cisco Adaptive Security Appliances (ASA) 5500 Series devices v8.0 anteriores a v8.0(4)25 y v8.1 anteriores a v8.1(2)15, cuando est\u00e1 configurado el acceso SSL VPN o ASDM, permite a atacantes remotos provocar una denegaci\u00f3n de servicio (recarga del dispositivo) a trav\u00e9s de un paquete manipulado (1) SSL o (2) HTTP."}], "evaluatorImpact": "Per vendor advisory: http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml\r\n\r\nVPN Authentication Bypass Vulnerability\r\n\r\nThe Cisco ASA or Cisco PIX security appliance can be configured to override an account-disabled indication from a AAA server and allow the user to log on anyway. However, the user must provide the correct credentials in order to login to the VPN. A vulnerability exists in the Cisco ASA and Cisco PIX security appliances where VPN users can bypass authentication when the override account feature is enabled.\r\n\r\nNote: The override account feature was introduced in Cisco ASA software version 7.1(1).\r\n\r\nThe override account feature is enabled with the override-account-disable command in tunnel-group general-attributes configuration mode, as shown in the following example. The following example allows overriding the \"account-disabled\" indicator from the AAA server for the WebVPN tunnel group \"testgroup\":\r\n\r\n hostname(config)#tunnel-group testgroup type webvpn\r\n hostname(config)#tunnel-group testgroup general-attributes\r\n hostname(config-tunnel-general)#override-account-disable\r\n\r\nNote: The override account feature is disabled by default.", "id": "CVE-2009-1156", "lastModified": "2026-06-16T23:06:37.543", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "ADJACENT_NETWORK", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 5.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:A/AC:M/Au:N/C:N/I:N/A:C", "version": "2.0"}, "exploitabilityScore": 5.5, "impactScore": 6.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}]}, "published": "2009-04-09T15:08:35.717", "references": [{"source": "psirt@cisco.com", "url": "http://osvdb.org/53442"}, {"source": "psirt@cisco.com", "url": "http://secunia.com/advisories/34607"}, {"source": "psirt@cisco.com", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml"}, {"source": "psirt@cisco.com", "url": "http://www.securityfocus.com/bid/34429"}, {"source": "psirt@cisco.com", "url": "http://www.securitytracker.com/id?1022015"}, {"source": "psirt@cisco.com", "url": "http://www.vupen.com/english/advisories/2009/0981"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://osvdb.org/53442"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://secunia.com/advisories/34607"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securityfocus.com/bid/34429"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.securitytracker.com/id?1022015"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.vupen.com/english/advisories/2009/0981"}], "sourceIdentifier": "psirt@cisco.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "NVD-CWE-noinfo"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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