What is CVE-2022-43919?

CVE-2022-43919 is a medium-severity vulnerability in IBM Mq, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2023-05-05.

How severe is CVE-2022-43919?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Improper input validation in IBM Mq

CVE-2022-43919

IBM MQ 9.2 CD, 9.2 LTS, 9.3 CD, and 9.3 LTS could allow an authenticated attacker with authorization to craft messages to cause a denial of service. IBM X-Force ID: 241354.

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

Published 2023-05-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.007 (51.8th percentile), scored 2026-10-03.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 52nd percentile — 51.8% 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 — versions 9.2 CD, 9.2 LTS, 9.3 CD, 9.3 LTS
IBM Mq Appliance

Weakness classification (CWE)

CWE-20 — Improper Input Validation

References

www.ibm.com/support/pages/node/6986559 (vendor-advisory, Patch, Vendor Advisory)
exchange.xforce.ibmcloud.com/vulnerabilities/241354 (VDB Entry, vdb-entry, Vendor Advisory)

Frequently asked questions

What is CVE-2022-43919?: CVE-2022-43919 is a medium-severity vulnerability in IBM Mq, classified under Improper Input Validation. CVSS score: 5.3/10. Published 2023-05-05.
How severe is CVE-2022-43919?: Medium severity. CVSS v3 base score is 5.3 out of 10.