What is CVE-2022-34308?

CVE-2022-34308 is a medium-severity vulnerability in IBM Cics Tx, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2022-10-07.

How severe is CVE-2022-34308?

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

Resource exhaustion in IBM Cics Tx

CVE-2022-34308

IBM CICS TX 11.1 could allow a local user to cause a denial of service due to improper load handling. IBM X-Force ID: 229437.

Published 2022-10-07 · 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:N/A:H.

EPSS exploit prediction

EPSS: 0.002 (12.6th percentile), scored 2026-10-23.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 12.6% 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
Linux Kernel

Weakness classification (CWE)

CWE-770 — Allocation of Resources Without Limits or Throttling

References

www.ibm.com/support/pages/node/6826645 (Patch, Vendor Advisory)
www.ibm.com/support/pages/node/6826647 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/229437 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34308?: CVE-2022-34308 is a medium-severity vulnerability in IBM Cics Tx, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 5.5/10. Published 2022-10-07.
How severe is CVE-2022-34308?: Medium severity. CVSS v3 base score is 5.5 out of 10.