« Back to list

CVE-2011-3401

Status: ModifiedHigh (9.3)—

ENCDEC.DLL in Windows Media Player and Media Center in Microsoft Windows XP SP2 and SP3, Windows Vista SP2, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted .dvr-ms file, aka "Windows Media Player DVR-MS Memory Corruption Vulnerability."

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 (3)

Microsoft — Windows 7Microsoft — Windows VistaMicrosoft — Windows XP

CWEs

References

Raw JSON (NVD)

Show
{
  "id": "CVE-2011-3401",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 9.3,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:M/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
        },
        "acInsufInfo": false,
        "impactScore": 10,
        "baseSeverity": "HIGH",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": true
      }
    ]
  },
  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2011-12-14T00:55:01.480",
  "references": [
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA11-347A.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-092",
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14281",
      "source": "secure@microsoft.com"
    },
    {
      "url": "http://www.us-cert.gov/cas/techalerts/TA11-347A.html",
      "tags": [
        "US Government Resource"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://docs.microsoft.com/en-us/security-updates/securitybulletins/2011/ms11-092",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14281",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-94"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "ENCDEC.DLL in Windows Media Player and Media Center in Microsoft Windows XP SP2 and SP3, Windows Vista SP2, and Windows 7 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted .dvr-ms file, aka \"Windows Media Player DVR-MS Memory Corruption Vulnerability.\""
    },
    {
      "lang": "es",
      "value": "ENCDEC.DLL en Windows Media Player y Media Center de Microsoft Windows XP SP2 y SP3, Windows Vista SP2 y Windows 7 Gold y SP1  permite a atacantes remotos ejecutar código de su elección a través de un archivo \".dvr-ms\" debidamente modificado. Se trata de un problema también conocido como \"Vulnerabilidad de corrupción de memoria DVR-MS en Windows Media Player\"."
    }
  ],
  "lastModified": "2026-06-16T23:33:13.917",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "E33796DB-4523-4F04-B564-ADF030553D51"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:x64:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "F282E5E8-A5C9-4092-B0BF-07A5A2CAA6F4"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:x86:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "D16A8D29-57BF-4B74-85F2-24DBD8B52BBF"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_vista:*:sp2:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "0A0D2704-C058-420B-B368-372D1129E914"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_xp:*:sp3:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "CE477A73-4EE4-41E9-8694-5A3D5DC88656"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_xp:-:sp2:x64:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "FFAC3F90-77BF-4F56-A89B-8A3D2D1FC6D6"
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_xp:2005:sp3:media_center:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "3C706F71-6F28-4484-81DF-18FD573AC2AC"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "secure@microsoft.com"
}