CVE-2022-34306: IBM Cics Tx

Medium severity, CVSS 5.4. EPSS: 0.7% chance of exploitation in the next 30 days.

IBM CICS TX Standard and Advanced 11.1 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking. IBM X-Force ID: 229435.

Affected products

• IBM Cics Tx: version 11.1 only

Published 2022-07-08. Last modified 2026-06-17.