What is CVE-2020-4871?

CVE-2020-4871 is a medium-severity vulnerability in IBM Planning Analytics, classified under CWE-922. CVSS score: 5.5/10. Published 2021-01-19.

How severe is CVE-2020-4871?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Vulnerability in IBM Planning Analytics

CVE-2020-4871

IBM Planning Analytics 2.0 allows web pages to be stored locally which can be read by another user on the system. IBM X-Force ID: 190834.

Published 2021-01-19 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.1th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

IBM Planning Analytics — versions 2.0
IBM Planning Analytics — versions 2.0

Weakness classification (CWE)

CWE-922

References

www.ibm.com/support/pages/node/6404674 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/190834 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4871?: CVE-2020-4871 is a medium-severity vulnerability in IBM Planning Analytics, classified under CWE-922. CVSS score: 5.5/10. Published 2021-01-19.
How severe is CVE-2020-4871?: Medium severity. CVSS v3 base score is 5.5 out of 10.