What is CVE-2022-38391?

CVE-2022-38391 is a medium-severity vulnerability in IBM Aix, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.1/10. Published 2022-12-20.

How severe is CVE-2022-38391?

Medium severity. CVSS v3 base score is 5.1 out of 10.

Vulnerability in IBM Aix

CVE-2022-38391

IBM Spectrum Control 5.4 uses weaker than expected cryptographic algorithms that could allow an attacker to decrypt highly sensitive information. IBM X-Force ID: 233982.

Vulnerability class: POODLE (CVE-2014-3566)

Published 2022-12-20 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.9th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

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

References

www.ibm.com/support/pages/node/6847541 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/233982 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-38391?: CVE-2022-38391 is a medium-severity vulnerability in IBM Aix, classified under Use of a Broken or Risky Cryptographic Algorithm. CVSS score: 5.1/10. Published 2022-12-20.
How severe is CVE-2022-38391?: Medium severity. CVSS v3 base score is 5.1 out of 10.