CVE-2020-4319 Information disclosure in MQ Appliance

Low 3.1 Published 28 Jul 2020 Updated 16 Sep 2024

An authenticated user can obtain sensitive information via data leaks in error messages within the pre-v7 pubsub logic of IBM MQ.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2020-4319?

CVE-2020-4319 is a low-severity vulnerability in IBM MQ Appliance, published on 28 Jul 2020. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

IBM MQ, IBM MQ Appliance, and IBM MQ for HPE NonStop 8.0, 9.1 LTS, and 9.1 CD could allow under special circumstances, an authenticated user to obtain sensitive information due to a data leak from an error message within the pre-v7 pubsub logic. IBM X-Force ID: 177402.

Weakness: CWE-209

Which versions are affected by CVE-2020-4319?

It affects 1 product.

Products include Ibm Mq Appliance.

How do I fix CVE-2020-4319?

No fix has been published for CVE-2020-4319 yet. Limit exposure of the affected software until one is available.

Is CVE-2020-4319 being exploited?

There is no known exploitation of CVE-2020-4319 in the wild and no public exploit code.

Sources

Also known as GHSA-r542-g4pm-8f6m.