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CVE-2019-4655

IBM MQ 9.1.0.0, 9.1.0.1, 9.1.0.2, 9.1.0.3, 9.1.1, 9.1.2, and 9.1.3 is vulnerable to a denial of service attack that would allow an…

Medium4.3EPSS 1.3%
Published
Updated
Reserved
Assigned by
ibm

Description

IBM MQ 9.1.0.0, 9.1.0.1, 9.1.0.2, 9.1.0.3, 9.1.1, 9.1.2, and 9.1.3 is vulnerable to a denial of service attack that would allow an authenticated user to reset client connections due to an error within the Data Conversion routine. IBM X-Force ID: 170966.

Scores

CVSS scores of CVE-2019-4655, by who scored it
Scored byCVSSScoreVector
ibmCNA (assigner)3.0Medium4.3CVSS:3.0/C:N/A:L/S:U/I:N/PR:L/AV:N/AC:L/UI:N/RC:C/E:U/RL:O
NVDNVD · Modified3.1Medium4.3CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
EPSS (exploitation in 30 days)
1.3% · top 30% of all CVEs (5 Nov 2026)
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.

Weakness

  • Denial of Service

Affected products

  • IBM · MQ

    • affected 9.1.0.0
    • affected 9.1.0.1
    • affected 9.1.1
    • affected 9.1.0.2
    • affected 9.1.2
    • affected 9.1.0.3
    • affected 9.1.3

References (2)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .