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CVE Record

CVE-2019-4588: IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could all...

IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 9.7, 10.1, 10.5, 11.1, and 11.5 could allow a local user to execute arbitrary code and conduct DLL hijacking attacks.

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 installations and can let a local user run arbitrary code through DLL hijacking. It is not described as remotely exploitable, but successful abuse could compromise confidentiality, integrity, and availability of the database host.

Executive priority

Prioritize remediation for internet-facing business-critical database environments only if local access paths exist; otherwise schedule promptly in normal high-severity patch cycles. The risk is serious because database host compromise can affect sensitive data and operations.

Technical view

CVE-2019-4588 affects IBM Db2 for Linux, UNIX and Windows, including Db2 Connect Server versions 9.7, 10.1, 10.5, 11.1, and 11.5. The source describes local arbitrary code execution and DLL hijacking. CVSS 3.0 is 7.4 high, with local attack vector, high complexity, no user interaction, and high C/I/A impact.

Likely exposure

Exposure is likely where affected Db2 LUW or Db2 Connect Server versions remain installed, especially on shared database servers or systems where local users can influence library-loading conditions.

Exploitation context

The bundle does not show CISA KEV listing or active exploitation. The CVSS exploit maturity is unproven. Treat this as high-impact local risk, not confirmed in-the-wild exploitation.

Researcher notes

Evidence supports local code execution via DLL hijacking in named Db2 versions. The provided bundle does not include exploit details, affected build ranges beyond major versions, or explicit remediation text. Avoid assuming remote exploitability or active exploitation.

Mitigation direction

  • Identify Db2 LUW and Db2 Connect Server versions across database hosts.
  • Review IBM advisory for exact fixed levels, fix packs, or interim fixes.
  • Upgrade or patch affected Db2 versions using vendor-supported guidance.
  • Check NetApp advisory if Db2 is present in NetApp-supported environments.
  • Restrict local access to database hosts until remediation is complete.

Validation and detection

  • Inventory Db2 installations and confirm versions 9.7, 10.1, 10.5, 11.1, or 11.5.
  • Confirm whether IBM advisory remediation has been applied to each host.
  • Review local user access on affected database servers.
  • Check vulnerability scanner findings against IBM and CVE source details.
  • Document compensating controls where patch timing is delayed.
Prepared
Confidence
high
Sources
5

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-2019-4588 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/C:H/A:H/S:U/AC:H/PR:N/I:H/UI:N/AV:L/RL:O/RC:C/E:U

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
4Source 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/C:H/A:H/S:U/AC:H/PR:N/I:H/UI:N/AV:L/RL:O/RC:C/E:U1.45.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.4High
CVSS 3.0 vector shape for CVE-2019-4588Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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 for Linux, UNIX and Windows10.5, 10.1, 9.7, 11.1, 11.5Listed
Weakness

CWE details

No CWE listed

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