CVE-2020-4319

lowpriority · track · 17EPSS 0.007 · 55 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.75% (55th) EPSS

CVSS 3.5 · low

Is it mine?

6 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-27

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.

cvss

Technical severity, 0–10. One row per scoring source.

4.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.1–4.3

v2.03.5lowAV:N/AC:M/Au:S/C:P/I:N/A:Nprimary · NVD / NIST USexploitability 6.8 · impact 2.9

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nprimary · NVD / NIST USexploitability 2.8 · impact 1.4

v3.03.1lowCVSS:3.0/UI:N/I:N/PR:L/S:U/C:L/AC:H/A:N/AV:N/E:U/RC:C/RL:Osecondary · ENISA EU

v3.03.1lowCVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · psirt@us.ibm.com USexploitability 1.6 · impact 1.4

v3.14mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-209USprimary

affected products (6)

Products and version ranges known to be affected.

IBM MQ Appliance≤ 8.0enisa_euvdEU
IBM MQ Appliance≤ 9.1.CDenisa_euvdEU
IBM MQ Appliance≤ 9.1.LTSenisa_euvdEU
ibm mq appliance8.0 → 8.0.0.15nvdUScpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*
ibm mq appliance9.1.0.0 → 9.1.0.6nvdUScpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*
ibm mq appliance9.1.0.0 → 9.2.0.0nvdUScpe:2.3:a:ibm:mq_appliance:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2020-07-28modified 2026-06-17

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+939 more

references (12)

External citations — patches, advisories, analysis.

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