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CVE-2009-1155

Estado: ModificadaAlta (7.8)—

Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.1(1) through 7.1(2)82, 7.2 before 7.2(4)27, 8.0 before 8.0(4)25, and 8.1 before 8.1(2)15, when AAA override-account-disable is entered in a general-attributes field, allow remote attackers to bypass authentication and establish a VPN session to an ASA device via unspecified vectors.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (2)

Cisco — Adaptive Security Appliance 5500Cisco — PIX

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-1155",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.8,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@cisco.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2009-04-09T15:08:35.703",
  "references": [
    {
      "url": "http://osvdb.org/53441",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://secunia.com/advisories/34607",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securityfocus.com/bid/34429",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.securitytracker.com/id?1022016",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/0981",
      "source": "psirt@cisco.com"
    },
    {
      "url": "http://osvdb.org/53441",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/34607",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "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?1022016",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2009/0981",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-287"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco Adaptive Security Appliances (ASA) 5500 Series and PIX Security Appliances 7.1(1) through 7.1(2)82, 7.2 before 7.2(4)27, 8.0 before 8.0(4)25, and 8.1 before 8.1(2)15, when AAA override-account-disable is entered in a general-attributes field, allow remote attackers to bypass authentication and establish a VPN session to an ASA device via unspecified vectors."
    },
    {
      "lang": "es",
      "value": "Cisco Adaptive Security Appliances (ASA) 5500 Series y PIX Security Appliances v7.1(1) hasta v7.1(2)82, v7.2 anteriores a v7.2(4)27, v8.0 anteriores a v8.0(4)25, y v8.1 anteriores a v8.1(2)15, cuando introducimos en un campo de atributo general AAA, permite a atacantes remotos saltarse la autenticación y establecer una sesión VPN a un dispositivo ASO mediante vectores no especificados."
    }
  ],
  "lastModified": "2026-06-16T23:06:37.437",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:adaptive_security_appliance_5500:7.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "76EAF7E0-6C0A-4B62-8776-CDE7CEB4565A"
            },
            {
              "criteria": "cpe:2.3:h:cisco:adaptive_security_appliance_5500:7.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "97290344-5440-4797-9668-AA1050E87C41"
            },
            {
              "criteria": "cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "1AB1C21E-6A68-4851-BCFC-12E8E5BE9610"
            },
            {
              "criteria": "cpe:2.3:h:cisco:adaptive_security_appliance_5500:8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "4FC14168-91A7-4D42-9CEA-09AAA3BBE2B6"
            },
            {
              "criteria": "cpe:2.3:h:cisco:pix:7.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C4991BC7-B07D-4D8C-885C-136AD9D4E209"
            },
            {
              "criteria": "cpe:2.3:h:cisco:pix:7.2:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "85B161D0-D78B-4517-88AC-3A110F13C154"
            },
            {
              "criteria": "cpe:2.3:h:cisco:pix:8.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "35649F68-BD09-4684-925D-620D99B42CE8"
            },
            {
              "criteria": "cpe:2.3:h:cisco:pix:8.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E32C602C-E278-4DA2-B7D0-941FABA9ADC0"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "evaluatorImpact": "Per vendor advisory: http://www.cisco.com/en/US/products/products_security_advisory09186a0080a994f6.shtml\r\n\r\n\"VPN Authentication Bypass Vulnerability\r\n\r\nCisco ASA or Cisco PIX security appliances that are configured for IPsec or SSL-based remote access VPN and have the Override Account Disabled feature enabled are affected by this vulnerability.\r\n\r\nNote:  The Override Account Disabled feature was introduced in Cisco ASA software version 7.1(1). Cisco ASA and PIX software versions 7.1, 7.2, 8.0, and 8.1 are affected by this vulnerability. This feature is disabled by default. \"",
  "sourceIdentifier": "psirt@cisco.com"
}