What is CVE-2021-20470?

CVE-2021-20470 is a high-severity vulnerability in IBM Cognos Analytics, classified under Weak Password Requirements. CVSS score: 7.5/10. Published 2021-12-03.

How severe is CVE-2021-20470?

High severity. CVSS v3 base score is 7.5 out of 10.

Vulnerability in IBM Cognos Analytics

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.

Published 2021-12-03 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.014 (72.5th percentile), scored 2026-10-19.

Low probability of exploitation in the next 30 days, but still tracked. 73rd percentile — 72.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: +0.000

Affected products

IBM Cognos Analytics — versions 11.2.0, 11.1.7
IBM Cognos Analytics — versions 11.1.7, 11.2.0
NetApp Oncommand Insight

Weakness classification (CWE)

CWE-521 — Weak Password Requirements

References

www.ibm.com/support/pages/node/6520510 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/196939 (VDB Entry, vdb-entry, Vendor Advisory)
security.netapp.com/advisory/ntap-20211223-0006/ (Third Party Advisory)

Frequently asked questions

What is CVE-2021-20470?: CVE-2021-20470 is a high-severity vulnerability in IBM Cognos Analytics, classified under Weak Password Requirements. CVSS score: 7.5/10. Published 2021-12-03.
How severe is CVE-2021-20470?: High severity. CVSS v3 base score is 7.5 out of 10.