CVE-2020-4909

Severity: medium (CVSS 4.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-04 · updated 2026-06-17
Weakness: CWE-79

Description

IBM Cloud Pak System 2.3 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 191273.

Affected products

IBM Cloud Pak System: from 2.3.0.0 before 2.3.3.3 — fixed in 2.3.3.3

How to fix

Upgrade to a fixed version: IBM Cloud Pak System 2.3.3.3. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/191273
https://www.ibm.com/support/pages/node/6393554
https://exchange.xforce.ibmcloud.com/vulnerabilities/191273
https://www.ibm.com/support/pages/node/6393554

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