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CVE-2007-4405

Estado: ModificadaAlta (7.8)—

ircu 2.10.12.02 through 2.10.12.04 allows remote attackers to cause a denial of service (memory and bandwidth consumption) by creating a large number of unused channels (zannels).

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)

Universal Ircd — Ircu

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2007-4405",
  "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": "2007-08-18T21:17:00.000",
  "references": [
    {
      "url": "http://osvdb.org/46718",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/3031",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/476285/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/25285",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35988",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/46718",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://securityreason.com/securityalert/3031",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/476285/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/25285",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/35988",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ircu 2.10.12.02 through 2.10.12.04 allows remote attackers to cause a denial of service (memory and bandwidth consumption) by creating a large number of unused channels (zannels)."
    },
    {
      "lang": "es",
      "value": "ircu 2.10.12.02 hasta 2.10.12.04 permite a atacantes remotos provocar una denegación de servicio (agotamiento de memoria y ancho de banda) creando un gran número de canales sin usar (zannels)."
    }
  ],
  "lastModified": "2026-06-16T22:44:01.210",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:universal_ircd:ircu:2.10.12.02:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "AAB40F55-AEB9-4C11-9DD1-CEE82B8D5677"
            },
            {
              "criteria": "cpe:2.3:a:universal_ircd:ircu:2.10.12.03:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F0AD3199-0273-4B7C-9DBA-C93B38A9B998"
            },
            {
              "criteria": "cpe:2.3:a:universal_ircd:ircu:2.10.12.04:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "B0DEFEDA-4060-4991-8B91-BE2A6690E3CE"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}