How severe is CVE-2021-20470?

CVE-2021-20470 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2021-20470 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-20470?

CVE-2021-20470 primarily affects Ibm Cognos Analytics. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-20470?

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-2021-20470 published?

CVE-2021-20470 was published on 2021-12-03 and last updated on 2026-06-17.

CVE-2021-20470

CVE-2021-20470 is a high-severity vulnerability in Ibm Cognos Analytics with a CVSS 3.x base score of 7.5. 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-521.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Ibm Cognos Analytics
Published: 2021-12-03
Last modified: 2026-06-17

Description

IBM Cognos Analytics 11.1.7 and 11.2.0 does not require that users should have strong passwords by default, which makes it easier for attackers to compromise user accounts. IBM X-Force ID: 196339.

Frequently asked questions

What is CVE-2021-20470?: IBM Cognos Analytics 11.1.7 and 11.2.0 does not require that users should have strong passwords by default, which makes it easier for attackers to compromise user accounts. IBM X-Force ID: 196339.
How severe is CVE-2021-20470?: CVE-2021-20470 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2021-20470 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-20470?: CVE-2021-20470 primarily affects Ibm Cognos Analytics. In total, 7 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-20470?: 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-2021-20470 published?: CVE-2021-20470 was published on 2021-12-03 and last updated on 2026-06-17.

References

Affected products (7)

cpe:2.3:a:ibm:cognos_analytics:*:*:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.1.7:-:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.1.7:fixpack1:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.1.7:fixpack2:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.1.7:fixpack3:*:*:*:*:*:*
cpe:2.3:a:ibm:cognos_analytics:11.2.0:*:*:*:*:*:*:*
cpe:2.3:a:netapp:oncommand_insight:-:*:*:*:*:*:*:*

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Other CWE-521 (Weak Password Requirements) vulnerabilities

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CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
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Browse all CWE-521 (Weak Password Requirements) vulnerabilities →