What is CVE-2022-34164?

CVE-2022-34164 is a medium-severity vulnerability in IBM Cics Tx, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2022-08-01.

How severe is CVE-2022-34164?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Improper input validation in IBM Cics Tx

CVE-2022-34164

IBM CICS TX 11.1 could allow a local user to impersonate another legitimate user due to improper input validation. IBM X-Force ID: 229338.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2022-08-01 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.002 (12.3th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 12th percentile — 12.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

IBM Cics Tx — versions 11.1
IBM Cics Tx Advanced — versions 11.1
IBM Cics Tx Standard — versions 11.1

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.ibm.com/support/pages/node/6608204 (Patch, Vendor Advisory)
www.ibm.com/support/pages/node/6608206 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/229338 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34164?: CVE-2022-34164 is a medium-severity vulnerability in IBM Cics Tx, classified under Improper Input Validation. CVSS score: 5.5/10. Published 2022-08-01.
How severe is CVE-2022-34164?: Medium severity. CVSS v3 base score is 5.5 out of 10.