Security readout for executives and security teams
Plain-English summary
IBM MQ Appliance 9.1.4.CD may place highly sensitive data into trace output. A local attacker could obtain that data if they can access the affected environment. This is a confidentiality issue, not a remote takeover in the cited sources, but it can matter where MQ carries regulated or business-critical messages.
Executive priority
Treat as a targeted confidentiality risk. It is not cited as actively exploited, but MQ systems often carry sensitive operational data. Address during regular vulnerability remediation, escalating if affected appliances store traces containing regulated, customer, or payment-related information.
Technical view
CVE-2019-4731 is an information disclosure flaw in IBM MQ Appliance 9.1.4.CD involving sensitive data included within trace. The supplied CVSS v3.0 score is 5.1, with local attack vector, high confidentiality impact, high attack complexity, and no integrity or availability impact.
Likely exposure
Exposure appears limited to IBM MQ Appliance 9.1.4.CD. Risk is highest where local appliance access is broadly available, trace output is retained, or trace files are accessible to users who should not see sensitive MQ data.
Exploitation context
The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The vulnerability is described as local and high complexity, so urgency should focus on affected appliance inventory, trace data handling, and IBM remediation status.
Researcher notes
The provided data does not list a CWE, affected CPEs, or specific fixed version. Analysis should stay scoped to IBM MQ Appliance 9.1.4.CD and the trace-based information disclosure described by IBM/X-Force and CVE sources.
Mitigation direction
- Check IBM’s advisory for the official remediation path.
- Prioritize any MQ Appliance running version 9.1.4.CD.
- Restrict local access to the appliance to trusted administrators.
- Limit access to trace output and retained diagnostic files.
- Review whether trace data contains sensitive business or regulated information.
Validation and detection
- Inventory IBM MQ Appliance versions and flag 9.1.4.CD.
- Confirm whether trace output is enabled or retained.
- Review permissions around trace and diagnostic file access.
- Check remediation status against IBM advisory guidance.
- Document any sensitive data exposure found in trace artifacts.
Public sources used
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
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CVE-2019-4731 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Medium
- CVSS
- 5.1 (3.0)
- Known Exploited
- No
- Published
Vector: CVSS:3.0/AV:L/A:N/C:H/AC:H/S:U/PR:N/I:N/UI:N/E:U/RL:O/RC:C
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
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/AV:L/A:N/C:H/AC:H/S:U/PR:N/I:N/UI:N/E:U/RL:O/RC:C1.43.6Primary CVE scoreVulnerability scoring details
Base CVSS 3.0 score
5.1MediumVector: CVSS:3.0/AV:L/A:N/C:H/AC:H/S:U/PR:N/I:N/UI:N/E:U/RL:O/RC:C
Source materials
- CVE List V5 sourceCVE List V5
- https://www.ibm.com/support/pages/node/1125885CVE reference · x_refsource_CONFIRM
- ibm-mq-cve20194731-info-disc (172616)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.
