What is CVE-2022-34320?

CVE-2022-34320 is a medium-severity vulnerability in IBM Cics Tx, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.9/10. Published 2022-11-14.

How severe is CVE-2022-34320?

Medium severity. CVSS v3 base score is 5.9 out of 10.

Vulnerability in IBM Cics Tx

CVE-2022-34320

IBM CICS TX 11.1 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 229464.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2022-11-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.005 (41.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: +0.000

Affected products

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

Weakness classification (CWE)

CWE-327 — Use of a Broken or Risky Cryptographic Algorithm

References

www.ibm.com/support/pages/node/6833204 (vendor-advisory, Patch, Vendor Advisory)
www.ibm.com/support/pages/node/6833206 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/229464 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-34320?: CVE-2022-34320 is a medium-severity vulnerability in IBM Cics Tx, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.9/10. Published 2022-11-14.
How severe is CVE-2022-34320?: Medium severity. CVSS v3 base score is 5.9 out of 10.