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CVE Record

CVE-2019-4606: IBM DB2 High Performance Unload load for LUW 6.1 and 6.5 could allow a local attacker to execute arbitrary...

IBM DB2 High Performance Unload load for LUW 6.1 and 6.5 could allow a local attacker to execute arbitrary code on the system, caused by an untrusted search path vulnerability. By using a executable file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 168298.

HighCVSS 7.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

This flaw affects IBM Db2 High Performance Unload for LUW 6.1 and 6.5. A local attacker could abuse an untrusted search path issue to run arbitrary code on the system. It is not described as remotely exploitable, but successful exploitation could expose or alter sensitive Db2-related data and disrupt availability.

Executive priority

Treat as a high-priority remediation item where the affected utility runs on production or shared database servers. It is not presented as internet-wormable, but local code execution on database infrastructure can create serious data and operational risk.

Technical view

CVE-2019-4606 is a local arbitrary code execution vulnerability in IBM DB2/Db2 High Performance Unload for LUW 6.1 and 6.5, caused by untrusted search path behavior. CVSS 3.0 score is 7.4 with local attack vector, high attack complexity, no user interaction, and high confidentiality, integrity, and availability impact.

Likely exposure

Exposure is limited to environments running IBM DB2 or Db2 High Performance Unload for LUW versions 6.1 or 6.5. Systems without this IBM utility are not indicated as affected in the provided sources.

Exploitation context

The provided sources do not show CISA KEV listing or confirmed active exploitation. The CVSS vector marks exploit maturity as unproven and remediation level as official fix. Attack requires local access, and the public bundle does not provide operational indicators.

Researcher notes

The key technical issue is untrusted search path handling leading to local code execution. The bundle names affected versions but does not include exploit details, file paths, or precise fixed builds. Validate findings against IBM’s advisory before asserting remediation status.

Mitigation direction

  • Inventory Db2 High Performance Unload for LUW installations and versions.
  • Review IBM advisory and X-Force entry for vendor remediation guidance.
  • Apply the official IBM fix or supported upgrade path where applicable.
  • Restrict local access to affected Db2 utility hosts.
  • Review permissions on installation and execution directories.

Validation and detection

  • Confirm whether versions 6.1 or 6.5 are present.
  • Verify installed maintenance level against IBM guidance.
  • Check local file permissions around affected utility paths.
  • Review endpoint telemetry for unexpected local executable launches.
  • Document unaffected systems with product and version evidence.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2019-4606 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

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Vulnerability profileCVE Program record
Severity
High
CVSS
7.4 (3.0)
Known Exploited
No
Published

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

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
7.4CVSS 3.0HighCVSS:3.0/AC:H/PR:N/A:H/S:U/UI:N/I:H/AV:L/C:H/RC:C/E:U/RL:O1.45.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.4High
CVSS 3.0 vector shape for CVE-2019-4606Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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
IBMDB2 High Performance Unload load for LUW6.1Listed
IBMDb2 High Performance Unload load for LUW6.5Listed
Weakness

CWE details

No CWE listed

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