What is CVE-2021-38950?

CVE-2021-38950 is a high-severity vulnerability in IBM Mq For HPE Nonstop. CVSS score: 7.8/10. Published 2021-12-14.

How severe is CVE-2021-38950?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in IBM Mq For HPE Nonstop

CVE-2021-38950

IBM MQ on HPE NonStop 8.0.4 and 8.1.0 is vulnerable to a privilege escalation attack when SharedBindingsUserId is set to effective. IBM X-ForceID: 211404.

Published 2021-12-14 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.002 (14.7th percentile), scored 2026-11-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 15th percentile — 14.7% 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 Mq For HPE Nonstop — versions 8.1.0, 8.0.4
IBM Mq For HPE Nonstop — versions 8.0.4, 8.1.0

References

www.ibm.com/support/pages/node/6525810 (Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/211404 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2021-38950?: CVE-2021-38950 is a high-severity vulnerability in IBM Mq For HPE Nonstop. CVSS score: 7.8/10. Published 2021-12-14.
How severe is CVE-2021-38950?: High severity. CVSS v3 base score is 7.8 out of 10.