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CVE-2012-4847

Status: ModifiedMedium (4)—

IBM Cognos Business Intelligence (BI) 8.4 and 8.4.1 allows remote authenticated users to cause a denial of service (CPU consumption) via a crafted request containing a zero-valued byte.

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 — Cognos Business Intelligence

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2012-4847",
  "cveTags": [],
  "metrics": {
    "cvssMetricV2": [
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "version": "2.0",
          "baseScore": 4,
          "accessVector": "NETWORK",
          "vectorString": "AV:N/AC:L/Au:S/C:N/I:N/A:P",
          "authentication": "SINGLE",
          "integrityImpact": "NONE",
          "accessComplexity": "LOW",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "NONE"
        },
        "acInsufInfo": false,
        "impactScore": 2.9,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "affected": [
    {
      "source": "psirt@us.ibm.com",
      "affectedData": [
        {
          "vendor": "n/a",
          "product": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ]
    }
  ],
  "published": "2012-11-14T12:30:59.303",
  "references": [
    {
      "url": "http://www.ibm.com/support/docview.wss?uid=swg21615445",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79536",
      "source": "psirt@us.ibm.com"
    },
    {
      "url": "http://www.ibm.com/support/docview.wss?uid=swg21615445",
      "tags": [
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    },
    {
      "url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/79536",
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-189"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "IBM Cognos Business Intelligence (BI) 8.4 and 8.4.1 allows remote authenticated users to cause a denial of service (CPU consumption) via a crafted request containing a zero-valued byte."
    },
    {
      "lang": "es",
      "value": "IBM Cognos Business Intelligence (BI) v8.4 y v8.4.1 permite a usuarios remotos autenticados causar una denegación de servicio (por excesivo consumo de CPU) a través de una solicitud hecha a mano que contiene un byte de valor cero.\r\n"
    }
  ],
  "lastModified": "2026-06-16T23:45:47.080",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:ibm:cognos_business_intelligence:8.4:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "94EF1080-115F-4CFF-A2AD-D31A791DF41C"
            },
            {
              "criteria": "cpe:2.3:a:ibm:cognos_business_intelligence:8.4.1:*:*:*:*:*:*:*",
              "vulnerable": true,
              "matchCriteriaId": "2B76A06D-761D-4CFE-A9E6-FC5A1F726CF5"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "psirt@us.ibm.com"
}