How severe is CVE-2012-4847?

CVE-2012-4847 has a CVSS 2.0 base score of 4.0, rated medium severity.

Is CVE-2012-4847 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4847?

CVE-2012-4847 primarily affects Ibm Cognos Business Intelligence. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4847?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2012-4847 published?

CVE-2012-4847 was published on 2012-11-14 and last updated on 2026-06-16.

CVE-2012-4847

CVE-2012-4847 is a medium-severity vulnerability in Ibm Cognos Business Intelligence with a CVSS 2.0 base score of 4.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-189.

Key facts

Severity: Medium (CVSS 2.0 base score 4.0)
EPSS exploit prediction: 1% (58th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-189
Affected product: Ibm Cognos Business Intelligence
Published: 2012-11-14
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2012-4847?: 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.
How severe is CVE-2012-4847?: CVE-2012-4847 has a CVSS 2.0 base score of 4.0, rated medium severity.
Is CVE-2012-4847 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4847?: CVE-2012-4847 primarily affects Ibm Cognos Business Intelligence. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4847?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2012-4847 published?: CVE-2012-4847 was published on 2012-11-14 and last updated on 2026-06-16.

References

Affected products (2)

cpe:2.3:a:ibm:cognos_business_intelligence:8.4:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_business_intelligence:8.4.1:*:*:*:*:*:*:*

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