What is CVE-2022-34318?

CVE-2022-34318 is a medium-severity vulnerability in IBM Cics Tx, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 5.4/10. Published 2022-12-12.

How severe is CVE-2022-34318?

Medium severity. CVSS v3 base score is 5.4 out of 10.

Vulnerability in IBM Cics Tx

CVE-2022-34318

IBM CICS TX 11.1 could allow a remote attacker to hijack the clicking action of the victim. By persuading a victim to visit a malicious Web site, a remote attacker could exploit this vulnerability to hijack the victim's click actions and possibly launch further attacks against the victim. IBM X-Force ID: 229461.

Published 2022-12-12 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.007 (49.4th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 49th percentile — 49.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.006 · newest: 0.007 · change: +0.000

Affected products

IBM Cics Tx — versions 11.1
IBM Cics Tx — versions 11.1

Weakness classification (CWE)

CWE-1021 — Improper Restriction of Rendered UI Layers or Frames (Clickjacking)

References

www.ibm.com/support/pages/node/6833186 (vendor-advisory, Patch, Vendor Advisory)
www.ibm.com/support/pages/node/6833188 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/229461 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34318?: CVE-2022-34318 is a medium-severity vulnerability in IBM Cics Tx, classified under Improper Restriction of Rendered UI Layers or Frames (Clickjacking). CVSS score: 5.4/10. Published 2022-12-12.
How severe is CVE-2022-34318?: Medium severity. CVSS v3 base score is 5.4 out of 10.