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01 Record

CVE-2019-4656

IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due

MediumPUBLISHEDCNA: ibm
CNA base score6.5 CVSS v3.xCVSS:3.0/UI:N/C:N/S:U/A:H/I:N/AC:L/PR:L/AV:N/RC:C/E:U/RL:O

02 Description

IBM MQ and IBM MQ Appliance 7.1, 7.5, 8.0, 9.0 LTS, 9.1 LTS, and 9.1 CD is vulnerable to a denial of service attack that would allow an authenticated user to crash the queue and require a restart due

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
1.43% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 72.8% of scored records. A rank, not a probability.
NVD base score
6.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2020-03-16 15:25Z6 YR AGO
Last updated
2024-09-17 04:18Z2 YR AGO
Reserved
2019-01-03
Assigning CNA
ibm
Record state
PUBLISHED
Severity
Medium (CVSS 6.5)
CNA CVSS vector
CVSS:3.0/UI:N/C:N/S:U/A:H/I:N/AC:L/PR:L/AV:N/RC:C/E:U/RL:O
Weaknesses
No CWE assigned
Data version
5.1
Document digest
fdc2db9ed3c9123d6f07dd93e62bce4e1f3cce5ce7f12b9bd13b3aec6d30c89a

05 Affected products

VendorProductVersionsPlatforms
IBMMQ9.0.0.1, 8.0.0.1, 8.0.0.2, 8.0.0.3, 8.0.0.4, 8.0.0.5, 8.0.0.6, 8.0.0.7, 9.0.0.2, 7.5.0.1, 7.5.0.2, 7.5.0.3, 7.5.0.4, 7.5.0.5, 7.5.0.6, 7.5.0.7, 7.5.0.8, 8.0.0.8, 7.1.0.1, 7.1.0.2, 7.1.0.3, 7.1.0.4, 7.1.0.5, 7.1.0.6, 7.1.0.7, 8.0.0.9, 9.0.0.3, 8.0.0.0, 8.0.0.10, 9.0.0.0, 9.0.0.4, 9.0.0.5, 9.1, 9.1.0.1, 9.1.1, 9.1.0.2, 9.1.2, 8.0.0.11, 9.0.0.6, 7.1.0.0, 7.1.0.8, 7.1.0.9, 7.5.0.0, 7.5.0.9, 8.0.0.12, 9.1.0.3, 9.1.3, 9.0.0.7, 8.0.0.13, 9.0.0.8—

06 References