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CVE-2009-4921

Estado: ModificadaAlta (7.8)—

Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allow remote attackers to cause a denial of service (traceback) via malformed TCP packets, aka Bug ID CSCsm84110.

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 (1)

Cisco — ASA 5580

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2009-4921",
  "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:N/I:N/A:C",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 6.9,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 10,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2010-06-29T18:30:01.740",
  "references": [
    {
      "url": "http://www.cisco.com/en/US/docs/security/asa/asa81/release/notes/asarn812.html",
      "tags": [
        "Patch"
      ],
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cisco.com/en/US/docs/security/asa/asa81/release/notes/asarn812.html",
      "tags": [
        "Patch"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco Adaptive Security Appliances (ASA) 5580 series devices with software before 8.1(2) allow remote attackers to cause a denial of service (traceback) via malformed TCP packets, aka Bug ID CSCsm84110."
    },
    {
      "lang": "es",
      "value": "Dispositivos Cisco Adaptive Security Appliances (ASA) de la serie 5580 con versión de software anterior a v8.1(2) permite a atacantes remotos provocar una denegación de servicio (rastreo) a través de paquetes TCP mal formados, también conocido como Bug ID CSCsm84110."
    }
  ],
  "lastModified": "2026-06-16T23:14:36.460",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:cisco:asa_5580:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "73E464BF-EEFB-4D23-9F86-B41B4850223E",
              "versionEndIncluding": "8.1\\(1\\)"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}