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CVE-2007-5537

Estado: ModificadaAlta (7.8)—

Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822.

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 — Unified CallmanagerCisco — Unified Communications Manager

CWE

Referencias

JSON original (NVD)

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{
  "id": "CVE-2007-5537",
  "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": "2007-10-18T00:17:00.000",
  "references": [
    {
      "url": "http://osvdb.org/37941",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://secunia.com/advisories/27296",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a00808dda34.shtml",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/bid/26105",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securitytracker.com/id?1018828",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/3532",
      "source": "cve@mitre.org"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/37246",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/37941",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/27296",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.cisco.com/en/US/products/products_security_advisory09186a00808dda34.shtml",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/bid/26105",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securitytracker.com/id?1018828",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/3532",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/37246",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-399"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(2), and Unified CallManager 5.0, allow remote attackers to cause a denial of service (kernel panic) via a flood of SIP INVITE messages to UDP port 5060, which triggers resource exhaustion, aka CSCsi75822."
    },
    {
      "lang": "es",
      "value": "Cisco Unified communications Manager (CUCM, anteriormente CallManager) 5.1 anterior a 5.1(2), y Unified CallManager 5.0, permiten a atacantes remotos provocar una denegación de servicio (kernel panic) mediante una inundación de mensajes SIP INVITE al puerto UDP 5060, lo cual dispara un agotamiento de recursos, también conocida como, CSCsi75822."
    }
  ],
  "lastModified": "2026-06-16T22:46:21.477",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:cisco:unified_callmanager:5.0:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "37FEF567-5F92-40BB-8581-3FCF584AAA1A"
            },
            {
              "criteria": "cpe:2.3:a:cisco:unified_communications_manager:*:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "C144784A-941D-4919-9E21-1E2AD2738A08",
              "versionEndIncluding": "5.1\\(2\\)"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}