How severe is CVE-2012-4858?

CVE-2012-4858 has a CVSS 2.0 base score of 9.3, rated critical severity.

Is CVE-2012-4858 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2012-4858?

CVE-2012-4858 primarily affects Ibm Cognos Business Intelligence. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2012-4858?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2012-4858 published?

CVE-2012-4858 was published on 2013-03-05 and last updated on 2026-06-16.

CVE-2012-4858

CVE-2012-4858 is a critical-severity vulnerability in Ibm Cognos Business Intelligence with a CVSS 2.0 base score of 9.3. 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-20.

Key facts

Severity: Critical (CVSS 2.0 base score 9.3)
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-20
Affected product: Ibm Cognos Business Intelligence
Published: 2013-03-05
Last modified: 2026-06-16

Description

IBM Cognos Business Intelligence (BI) 8.4.1 before IF1, 10.1 before IF2, 10.1.1 before IF2, and 10.2 before IF1 does not properly validate Java serialized input, which allows remote attackers to execute arbitrary commands via unspecified vectors.

Frequently asked questions

What is CVE-2012-4858?: IBM Cognos Business Intelligence (BI) 8.4.1 before IF1, 10.1 before IF2, 10.1.1 before IF2, and 10.2 before IF1 does not properly validate Java serialized input, which allows remote attackers to execute arbitrary commands via unspecified vectors.
How severe is CVE-2012-4858?: CVE-2012-4858 has a CVSS 2.0 base score of 9.3, rated critical severity.
Is CVE-2012-4858 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2012-4858?: CVE-2012-4858 primarily affects Ibm Cognos Business Intelligence. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2012-4858?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2012-4858 published?: CVE-2012-4858 was published on 2013-03-05 and last updated on 2026-06-16.

References

Affected products (4)

cpe:2.3:a:ibm:cognos_business_intelligence:8.4.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_business_intelligence:10.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_business_intelligence:10.1.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_business_intelligence:10.2:*:*:*:*:*:*:*

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