IBM MQ for HPE NonStop denial of service

published 2023-02-27 3y ago modified 2026-06-17 4mo ago also EUVD-2022-43535

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.7%; EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits: 0; none known

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.

Patch / fix

links 1

ibm.com/support/pages/node/6958136 advisory

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Exploit prediction

0.66% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

IBM MQ for HPE NonStop

Classification

Weakness

CWE-20 Improper Input Validation

References

ibm.com /support/pages/node/6958136
vendor-advisory, patch
exchange.xforce.ibmcloud.com /vulnerabilities/235727
vdb-entry, vendor-advisory

Sources

CVE List CVE-2022-40237
NVD CVE-2022-40237

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