What is CVE-2021-20486?

CVE-2021-20486 is a medium-severity vulnerability in IBM Cloud Pak For Data. CVSS score: 6.5/10. Published 2021-05-26.

How severe is CVE-2021-20486?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Vulnerability in IBM Cloud Pak For Data

CVE-2021-20486

IBM Cloud Pak for Data 3.0 could allow an authenticated user to obtain sensitive information when installed with additional plugins. IBM X-Force ID: 197668.

Published 2021-05-26 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.009 (56.7th percentile), scored 2026-10-02.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

References

www.ibm.com/support/pages/node/6456033 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/197668 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-20486?: CVE-2021-20486 is a medium-severity vulnerability in IBM Cloud Pak For Data. CVSS score: 6.5/10. Published 2021-05-26.
How severe is CVE-2021-20486?: Medium severity. CVSS v3 base score is 6.5 out of 10.