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CVE-2007-2491

Status: ModifiedHigh (7.2)—

The PIIX4 power management subsystem in EMC VMware Workstation 5.5.3.34685 and VMware Server 1.0.1.29996 allows local users to write to arbitrary memory locations via a crafted poke to I/O port 0x1004, triggering a denial of service (virtual machine crash) or other unspecified impact, a related issue to CVE-2007-1337.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (2)

Vmware — ServerVmware — Workstation

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2007-2491",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 7.2,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
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        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
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  },
  "affected": [
    {
      "source": "cve@mitre.org",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ]
    }
  ],
  "published": "2007-05-04T00:19:00.000",
  "references": [
    {
      "url": "http://osvdb.org/40088",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://taviso.decsystem.org/virtsec.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/1592",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://osvdb.org/40088",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://taviso.decsystem.org/virtsec.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.vupen.com/english/advisories/2007/1592",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-Other"
        }
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    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "The PIIX4 power management subsystem in EMC VMware Workstation 5.5.3.34685 and VMware Server 1.0.1.29996 allows local users to write to arbitrary memory locations via a crafted poke to I/O port 0x1004, triggering a denial of service (virtual machine crash) or other unspecified impact, a related issue to CVE-2007-1337."
    },
    {
      "lang": "es",
      "value": "El subsitema de administración de alimentación PIIX4 en EMC VMware Workstation 5.5.3.34685 y VMware Server 1.0.1.29996 permite a usuarios locales escribir en posiciones de memoria de su elección mediante un escritura en memoria (poke) manipulada en el puerto de entrada/salida 0x1004, disparando una denegación de servicio (caída de máquina virtual) u otro impacto no especificado, tema relacionado en CVE-2007-1337."
    }
  ],
  "lastModified": "2026-06-16T22:39:42.643",
  "configurations": [
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  "sourceIdentifier": "cve@mitre.org"
}