CVE-2021-20423

Severity: high (CVSS 8.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.1% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-13 · updated 2026-06-17
Weakness: CWE-732

Description

IBM Cloud Pak for Applications 4.3 could allow an authenticated user gain escalated privilesges due to improper application permissions. IBM X-Force ID: 196308.

Affected products

IBM Cloud Pak for Applications: before 4.3.1 — fixed in 4.3.1

How to fix

Upgrade to a fixed version: IBM Cloud Pak for Applications 4.3.1. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/196308
https://www.ibm.com/support/pages/node/6471329
https://exchange.xforce.ibmcloud.com/vulnerabilities/196308
https://www.ibm.com/support/pages/node/6471329

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