How severe is CVE-2021-20451?

CVE-2021-20451 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.

Is CVE-2021-20451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20451?

CVE-2021-20451 primarily affects Ibm Cognos Controller. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-20451?

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

Does CVE-2021-20451 have an EU (EUVD) identifier?

Yes. CVE-2021-20451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-7869.

When was CVE-2021-20451 published?

CVE-2021-20451 was published on 2024-05-03 and last updated on 2026-06-17.

CVE-2021-20451

CVE-2021-20451 is a medium-severity vulnerability in Ibm Cognos Controller with a CVSS 3.x base score of 6.0. 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-89.

Key facts

Severity: Medium (CVSS 3.x base score 6.0)
EPSS exploit prediction: 1% (39th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2021-7869
Weakness: CWE-89
Affected product: Ibm Cognos Controller
Published: 2024-05-03
Last modified: 2026-06-17

Description

IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 196643.

Frequently asked questions

What is CVE-2021-20451?: IBM Cognos Controller 10.4.1, 10.4.2, and 11.0.0 is vulnerable to SQL injection. A remote attacker could send specially crafted SQL statements, which could allow the attacker to view, add, modify or delete information in the back-end database. IBM X-Force ID: 196643.
How severe is CVE-2021-20451?: CVE-2021-20451 has a CVSS 3.x base score of 6.0, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity low, and availability low.
Is CVE-2021-20451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20451?: CVE-2021-20451 primarily affects Ibm Cognos Controller. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-20451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2021-20451 have an EU (EUVD) identifier?: Yes. CVE-2021-20451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2021-7869.
When was CVE-2021-20451 published?: CVE-2021-20451 was published on 2024-05-03 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:ibm:cognos_controller:10.4.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_controller:10.4.2:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*

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