What is CVE-2022-40237?

CVE-2022-40237 is a medium-severity vulnerability in IBM Mq For HPE Nonstop, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2023-02-27.

How severe is CVE-2022-40237?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Improper input validation in IBM Mq For HPE Nonstop

CVE-2022-40237

IBM MQ for HPE NonStop 8.1.0 is vulnerable to a denial of service attack due to an error within the CCDT and channel synchronization logic. IBM X-Force ID: 235727.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

Published 2023-02-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.4th percentile), scored 2026-11-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 51st percentile — 51.4% 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 Mq For HPE Nonstop — versions 8.1.0
IBM Mq For HPE Nonstop — versions 8.1.0

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.ibm.com/support/pages/node/6958136 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/235727 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-40237?: CVE-2022-40237 is a medium-severity vulnerability in IBM Mq For HPE Nonstop, classified under Improper Input Validation. CVSS score: 6.5/10. Published 2023-02-27.
How severe is CVE-2022-40237?: Medium severity. CVSS v3 base score is 6.5 out of 10.