How severe is CVE-2020-4302?

CVE-2020-4302 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2020-4302 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-4302?

CVE-2020-4302 primarily affects Ibm Cognos Analytics. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-4302?

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

When was CVE-2020-4302 published?

CVE-2020-4302 was published on 2020-10-12 and last updated on 2026-06-17.

CVE-2020-4302

CVE-2020-4302 is a high-severity vulnerability in Ibm Cognos Analytics with a CVSS 3.x base score of 7.8. 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-1236.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 9.3
EPSS exploit prediction: 2% (75th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-1236
Affected product: Ibm Cognos Analytics
Published: 2020-10-12
Last modified: 2026-06-17

Description

IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to execute arbitrary code on the system, caused by a CSV injection. By persuading a victim to open a specially-crafted excel file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 176610.

Frequently asked questions

What is CVE-2020-4302?: IBM Cognos Analytics 11.0 and 11.1 could allow a remote attacker to execute arbitrary code on the system, caused by a CSV injection. By persuading a victim to open a specially-crafted excel file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 176610.
How severe is CVE-2020-4302?: CVE-2020-4302 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2020-4302 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (75th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-4302?: CVE-2020-4302 primarily affects Ibm Cognos Analytics. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-4302?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2020-4302 published?: CVE-2020-4302 was published on 2020-10-12 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:a:ibm:cognos_analytics:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.0.13:-:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.0.13:fixpack1:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.0.13:fixpack2:*:*:*:*:*:*

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