CVE-2019-4304

Severity: medium (CVSS 6.3 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: 2019-09-30 · updated 2026-06-17
Weakness: CWE-384

Description

IBM WebSphere Application Server - Liberty could allow a remote attacker to bypass security restrictions caused by improper session validation. IBM X-Force ID: 160950.

Affected products

IBM WebSphere Application Server: before 19.0.0.10 — fixed in 19.0.0.10

How to fix

Upgrade to a fixed version: IBM WebSphere Application Server 19.0.0.10. Check the vendor advisory for mitigations.

References

https://exchange.xforce.ibmcloud.com/vulnerabilities/160950
https://www.ibm.com/support/pages/node/960171
https://exchange.xforce.ibmcloud.com/vulnerabilities/160950
https://www.ibm.com/support/pages/node/960171

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