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CVE-2008-3894

Status: ModifiedLow (2.1)—

IBM Lenovo firmware 7CETB5WW 2.05 stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer.

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 (1)

IBM — Lenovo 7cetb5ww

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2008-3894",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 2.1,
          "accessVector": "LOCAL",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "authentication": "NONE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "NONE",
          "confidentialityImpact": "PARTIAL"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "LOW",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "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": "2008-09-03T14:12:00.000",
  "references": [
    {
      "url": "http://securityreason.com/securityalert/4207",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ivizsecurity.com/preboot-patch.html",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/495808/100/0/threaded",
      "source": "cve@mitre.org"
    },
    {
      "url": "http://securityreason.com/securityalert/4207",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ivizsecurity.com/preboot-patch.html",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.ivizsecurity.com/research/preboot/preboot_whitepaper.pdf",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "http://www.securityfocus.com/archive/1/495808/100/0/threaded",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Lenovo firmware 7CETB5WW 2.05 stores pre-boot authentication passwords in the BIOS Keyboard buffer and does not clear this buffer after use, which allows local users to obtain sensitive information by reading the physical memory locations associated with this buffer."
    },
    {
      "lang": "es",
      "value": "IBM Lenovo firmware 7CETB5WW 2.05 almacena contraseñas de autenticación de pre-arranque en el búfer BIOS Keyboard y no limpia este búfer después de utilizarlo, lo cual permite a usuarios locales obtener información sensible leyendo localizaciones de memoria asociadas con este búfer."
    }
  ],
  "lastModified": "2026-06-16T22:56:45.523",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:h:ibm:lenovo_7cetb5ww:2.05:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "549CD434-052E-4277-B57E-F0ACAE6800EA"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "vendorComments": [
    {
      "comment": "Lenovo has released a BIOS update to address this issue.\n\nhttp://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-64580",
      "lastModified": "2008-11-05T00:00:00",
      "organization": "Lenovo"
    }
  ],
  "sourceIdentifier": "cve@mitre.org"
}