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CVE Record

CVE-2019-4257: IBM InfoSphere Information Server 11.5 and 11.7 is affected by an information disclosure vulnerability.

IBM InfoSphere Information Server 11.5 and 11.7 is affected by an information disclosure vulnerability. Sensitive information in an error message may be used to conduct further attacks against the system. IBM X-Force ID: 159945.

MediumCVSS 4.3Not KEV-listedUpdated
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM InfoSphere Information Server 11.5 and 11.7 can expose sensitive information through error messages. The immediate impact is limited disclosure, but leaked details could help an attacker plan later attacks against data integration infrastructure.

Executive priority

Prioritize during normal vulnerability maintenance unless the affected system is internet-facing, handles highly sensitive data, or supports critical business workflows. Escalate if broad access or suspicious activity is found.

Technical view

The issue is a network-accessible information disclosure vulnerability with low attack complexity, no user interaction, and low privileges required. CVSS v3.0 is 4.3 with confidentiality impact only. IBM X-Force tracks it as 159945.

Likely exposure

Exposure is limited to organizations running IBM InfoSphere Information Server 11.5 or 11.7, especially if authenticated interfaces are reachable over broad internal networks or the internet.

Exploitation context

The source bundle does not show CISA KEV listing or confirmed active exploitation. The CVSS temporal vector marks exploit maturity as unproven, so treat exploitation evidence as incomplete.

Researcher notes

No CWE is provided in the source bundle. Exact vulnerable components, endpoints, and fixed build numbers are not included here. Use IBM’s advisory and X-Force entry for authoritative remediation and product-specific detail.

Mitigation direction

  • Identify any IBM InfoSphere Information Server 11.5 or 11.7 deployments.
  • Review IBM advisory ibm10882478 for official remediation guidance.
  • Apply vendor-supported fixes or upgrades where available.
  • Restrict access to InfoSphere interfaces to trusted administrative networks.
  • Review error handling and logging for sensitive information exposure.

Validation and detection

  • Confirm installed InfoSphere Information Server versions and exposed interfaces.
  • Verify whether IBM advisory remediation has been applied.
  • Check that unauthorized or low-privileged error messages do not reveal sensitive details.
  • Review logs for suspicious access patterns around error-producing requests.
Prepared
Confidence
high
Sources
4

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-2019-4257 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/I:N/C:L/UI:N/A:N/S:U/PR:L/AC:L/AV:N/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
4.3CVSS 3.0MediumCVSS:3.0/I:N/C:L/UI:N/A:N/S:U/PR:L/AC:L/AV:N/RC:C/E:U/RL:O2.81.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

4.3Medium
CVSS 3.0 vector shape for CVE-2019-4257Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/I:N/C:L/UI:N/A:N/S:U/PR:L/AC:L/AV:N/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
IBMInfoSphere Information Server11.5, 11.7Listed
Weakness

CWE details

No CWE listed

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