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CVE-2019-4509: IBM QRadar 7.3.0 to 7.3.2 Patch 4 is vulnerable to incorrect authorization in some components which could a...

IBM QRadar 7.3.0 to 7.3.2 Patch 4 is vulnerable to incorrect authorization in some components which could allow an authenticated user to obtain sensitive information. IBM X-Force ID: 164430.

MediumCVSS 4.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2019-4509 affects IBM QRadar versions 7.3.0 through 7.3.2 Patch 4. An authenticated user could access sensitive information because some components did not enforce authorization correctly. The issue matters because QRadar can contain high-value security data, but the cited sources do not show active exploitation.

Executive priority

Treat this as a scheduled security remediation, not an emergency, unless local evidence shows misuse. Because QRadar stores security telemetry and investigation data, prioritize patch verification and access review in the next maintenance cycle.

Technical view

The vulnerability is an incorrect authorization issue in IBM QRadar components. CVSS 3.0 is 4.3: network-accessible, low complexity, low privileges required, no user interaction, low confidentiality impact, and no integrity or availability impact. The source bundle lists IBM X-Force ID 164430.

Likely exposure

Exposure is limited to IBM QRadar deployments running 7.3.0 through 7.3.2 Patch 4. Risk is higher where many users have QRadar accounts or where role boundaries are weakly managed.

Exploitation context

CISA KEV status is false, and the CVSS temporal exploit maturity is listed as unproven. The sources only support risk from an authenticated user obtaining sensitive information; they do not support claims of public exploitation.

Researcher notes

The bundle does not include CWE mapping, CPEs, detailed component names, or a specific fixed version. Avoid assuming broader IBM products are affected. Analysis should stay bounded to authenticated information disclosure in QRadar 7.3.0 through 7.3.2 Patch 4.

Mitigation direction

  • Inventory QRadar deployments and identify versions 7.3.0 through 7.3.2 Patch 4.
  • Review IBM advisory guidance for the affected versions and apply IBM-provided fixes or upgrades.
  • Restrict QRadar access to users with a clear operational need.
  • Review QRadar user roles and remove excessive privileges.
  • Monitor for unusual sensitive-data access by authenticated QRadar users.

Validation and detection

  • Confirm QRadar version and patch level on each deployment.
  • Map active QRadar users to required business roles.
  • Review access logs for unexpected sensitive information access.
  • Validate that non-admin users cannot access data outside assigned roles.
  • Retest authorization behavior after applying IBM guidance.
Prepared
Confidence
high
Sources
4

Public sources used

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

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

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CVE-2019-4509 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
4.3 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/UI:N/PR:L/I:N/S:U/AV:N/AC:L/C:L/A:N/RL:O/E:U/RC:C

Official CVE source material

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.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We 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.

ScoreVersionSeverityVectorExploitImpactSource
4.3CVSS 3.0MediumCVSS:3.0/UI:N/PR:L/I:N/S:U/AV:N/AC:L/C:L/A:N/RL:O/E:U/RC:C2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2019-4509Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/UI:N/PR:L/I:N/S:U/AV:N/AC:L/C:L/A:N/RL:O/E:U/RC:C

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone

Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
IBMQRadar7.3.0, 7.3.2Patch4Listed
Weakness

CWE details

No CWE listed

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.