CVE-2021-20429

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-05-14 · updated 2026-06-17
Weakness: CWE-863

Description

IBM QRadar User Behavior Analytics 1.0.0 through 4.1.0 could disclose sensitive information due an overly permissive cross-domain policy. IBM X-Force ID: 196334.

Affected products

IBM QRadar User Behavior Analytics: from 1.0.0 before 4.1.1 — fixed in 4.1.1

How to fix

Upgrade to a fixed version: IBM QRadar User Behavior Analytics 4.1.1. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/196334
https://www.ibm.com/support/pages/node/6453107
https://exchange.xforce.ibmcloud.com/vulnerabilities/196334
https://www.ibm.com/support/pages/node/6453107

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