CVE-2020-4336

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-01-06 · updated 2026-06-17
Weakness: CWE-200

Description

IBM WebSphere eXtreme Scale 8.6.1 stores sensitive information in URL parameters. This may lead to information disclosure if unauthorized parties have access to the URLs via server logs, referrer header or browser history. IBM X-Force ID: 177932.

Affected products

IBM WebSphere eXtreme Scale: from 8.6.1.0 before 8.6.1.4 — fixed in 8.6.1.4

How to fix

Upgrade to a fixed version: IBM WebSphere eXtreme Scale 8.6.1.4. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/177932
https://www.ibm.com/support/pages/node/6397682
https://exchange.xforce.ibmcloud.com/vulnerabilities/177932
https://www.ibm.com/support/pages/node/6397682

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