CVE-2011-0011

Estado: ModificadaMedia (4.3)—
qemu-kvm antes de v0.11.0 deshabilita la autenticación VNC cuando la contraseña es eliminada, lo que permite a atacantes remotos eludir la autenticación y establecer sesiones VNC.
CVSS

Versión: 2.0
Vector: AV:A/AC:H/Au:N/C:P/I:P/A:P
Puntuación base: 4.3
Probabilidad de explotación (EPSS)

Probabilidad de explotación en los próximos 30 días: 1.31%
Percentil entre todas las CVEs puntuadas: 70
Fecha de la puntuación: 8/10/2026
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)

Qemu — Qemu
CWE

CWE-287
Referencias

JSON original (NVD)

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{
  "id": "CVE-2011-0011",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4.3,
          "accessVector": "ADJACENT_NETWORK",
          "vectorString": "AV:A/AC:H/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "HIGH",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.2,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "secalert@redhat.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-06-21T15:55:05.863",
  "references": [
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2011-0345.html",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/42830",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/43272",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/43733",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://secunia.com/advisories/44393",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://ubuntu.com/usn/usn-1063-1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/01/10/3",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/01/11/1",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/01/12/2",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://www.osvdb.org/70992",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/697197",
      "source": "secalert@redhat.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65215",
      "source": "secalert@redhat.com"
    },
    {
      "url": "http://rhn.redhat.com/errata/RHSA-2011-0345.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/42830",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/43272",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/43733",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://secunia.com/advisories/44393",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://ubuntu.com/usn/usn-1063-1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/01/10/3",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/01/11/1",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.openwall.com/lists/oss-security/2011/01/12/2",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.osvdb.org/70992",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://bugs.launchpad.net/ubuntu/+source/libvirt/+bug/697197",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/65215",
      "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": "qemu-kvm before 0.11.0 disables VNC authentication when the password is cleared, which allows remote attackers to bypass authentication and establish VNC sessions."
    },
    {
      "lang": "es",
      "value": "qemu-kvm antes de v0.11.0 deshabilita la autenticación VNC cuando la contraseña es eliminada, lo que permite a atacantes remotos eludir la autenticación y establecer sesiones VNC."
    }
  ],
  "lastModified": "2026-06-16T23:26:36.977",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
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  "sourceIdentifier": "secalert@redhat.com"
}