CVE-2023-30441: IBM Java information disclosure

Severity: high (CVSS 7.5 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: 2023-04-29 · updated 2026-06-17
Weakness: CWE-327

Description

IBM Runtime Environment, Java Technology Edition IBMJCEPlus and JSSE 8.0.7.0 through 8.0.7.11 components could expose sensitive information using a combination of flaws and configurations. IBM X-Force ID: 253188.

Affected products

IBM InfoSphere Information Server: 11.7
IBM Java: from 8.0.7.0 before 8.0.7.15 — fixed in 8.0.7.15
IBM WebSphere Application Server: from 8.5.0.0 before 8.5.5.23; 9.0.0.0 — fixed in 8.5.5.23
IBM Z/Transaction Processing Facility: 1.1

How to fix

Upgrade to a fixed version: IBM Java 8.0.7.15; IBM WebSphere Application Server 8.5.5.23. Check the vendor advisory for mitigations.

References

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