What is CVE-2021-38954?

CVE-2021-38954 is a medium-severity vulnerability in IBM Aix. CVSS score: 4.3/10. Published 2022-06-30.

How severe is CVE-2021-38954?

Medium severity. CVSS v3 base score is 4.3 out of 10.

Vulnerability in IBM Aix

CVE-2021-38954

IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5 and 6.1.0.0 through 6.1.1.0 could disclose sensitive version information that could aid in future attacks against the system. IBM X-Force ID: 211414.

Published 2022-06-30 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

EPSS exploit prediction

EPSS: 0.007 (50.5th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 50.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

IBM Aix
IBM Sterling B2b Integrator — versions 6.0.0.0, 6.1.0.0, 6.1.1.0
IBM Sterling B2b Integrator
Linux Kernel
Microsoft Windows

References

www.ibm.com/support/pages/node/6599607 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/211414 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38954?: CVE-2021-38954 is a medium-severity vulnerability in IBM Aix. CVSS score: 4.3/10. Published 2022-06-30.
How severe is CVE-2021-38954?: Medium severity. CVSS v3 base score is 4.3 out of 10.