What is CVE-2020-4873?

CVE-2020-4873 is a medium-severity vulnerability in IBM Planning Analytics, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2021-01-19.

How severe is CVE-2020-4873?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Auth bypass in IBM Planning Analytics

CVE-2020-4873

IBM Planning Analytics 2.0 could allow an attacker to obtain sensitive information due to an overly permissive CORS policy. IBM X-Force ID: 190836.

Vulnerability class: Broken Access Control

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

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.010 (61.4th percentile), scored 2026-10-01.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 61.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

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

Weakness classification (CWE)

CWE-863 — Incorrect Authorization

References

www.ibm.com/support/pages/node/6404674 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/190836 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2020-4873?: CVE-2020-4873 is a medium-severity vulnerability in IBM Planning Analytics, classified under Incorrect Authorization. CVSS score: 5.3/10. Published 2021-01-19.
How severe is CVE-2020-4873?: Medium severity. CVSS v3 base score is 5.3 out of 10.