CVE-2022-34165

Severity: medium (CVSS 5.4 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: 2022-09-09 · updated 2026-06-17
Weakness: CWE-74

Description

IBM WebSphere Application Server 7.0, 8.0, 8.5, and 9.0 and IBM WebSphere Application Server Liberty 17.0.0.3 through 22.0.0.9 are vulnerable to HTTP header injection, caused by improper validation. This could allow an attacker to conduct various attacks against the vulnerable system, including cache poisoning and cross-site scripting. IBM X-Force ID: 229429.

Affected products

IBM WebSphere Application Server: from 7.0.0.0 through 7.0.0.45; from 8.0.0.0 through 8.0.0.15; from 8.5.0.0 through 8.5.5.22; from 9.0.0.0 through 9.0.5.13; from 17.0.0.3 before 22.0.0.9 — fixed in 22.0.0.9

How to fix

Upgrade to a fixed version: IBM WebSphere Application Server 22.0.0.9. Check the vendor advisory for mitigations.

References

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