Security readout for executives and security teams
CVE-2019-4055 is a denial-of-service issue in IBM MQ. An unauthenticated network attacker could disrupt availability through the TLS key renegotiation function. For businesses using affected IBM MQ versions, the main risk is interruption of messaging services that applications may depend on for transactions or operations. Exposure is most relevant where affected IBM MQ services are reachable over a network and use TLS functionality. Internet exposure would increase urgency, but internal-only MQ deployments can still be business-critical if they support payments, integration, batch processing, or operational workflows. Treat this as a high-priority availability risk for environments that rely on IBM MQ. It is not described as data theft or code execution, but disruption of messaging infrastructure can create significant business outage impact. Mitigation focus: Inventory IBM MQ deployments and identify affected versions listed in the advisory.; Review IBM’s advisory for the exact fixed levels and remediation guidance.; Prioritize upgrades or fixes for externally reachable or business-critical MQ systems..
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2019-4055 mapping review
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Open ATT&CK lookup- Severity
- High
- CVSS
- 7.5 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AC:L/I:N/C:N/AV:N/A:H/UI:N/PR:N/S:U/RL:O/RC:C/E:U
CNA and ADP enrichment extracted from CVE v5
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CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.0/AC:L/I:N/C:N/AV:N/A:H/UI:N/PR:N/S:U/RL:O/RC:C/E:U3.93.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
7.5HighVector: CVSS:3.0/AC:L/I:N/C:N/AV:N/A:H/UI:N/PR:N/S:U/RL:O/RC:C/E:U
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/docview.wss?uid=ibm10870484CVE reference · x_refsource_CONFIRM
- ibm-websphere-cve20194055-dos (156564)CVE reference · vdb-entry, x_refsource_XF
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.