CVE-2019-4227

7.3 HIGH 1% exploit odds Fix listed

What it is

IBM MQ 8.0.0.4 - 8.0.0.12, 9.0.0.0 - 9.0.0.6, 9.1.0.0 - 9.1.0.2, and 9.1.0 - 9.1.2 AMQP Listeners could allow an unauthorized user to conduct a session fixation attack due to clients not being disconnected as they should. IBM X-Force ID: 159352.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 1.1% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2019-10-04 14:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 02:36 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 1.1% in the next 30 days (EPSS).
Severity: 7.3 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2019-10-04 14:15 UTC
Last modified: 2026-06-17 02:36 UTC
Exploit probability: 1.1% · EPSS, next 30 days
Weakness: CWE-384
Record status: Modified

Affected

IBM Mq ≤ 8.0.0.12
IBM Mq ≤ 9.0.0.6
IBM Mq ≤ 9.1.2
IBM Mq ≤ 9.1.0.2

Attack profile CVSS 3.1 · 7.3

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: Low
Integrity: Low
Availability: Low

Raw vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2019-4227.md and follow it. Check whether this project is affected by CVE-2019-4227. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record