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CVE-2019-4237: A Cross-Frame Scripting vulnerability in IBM InfoSphere Information Server 11.3, 11.5, and 11.7 can allow a...

A Cross-Frame Scripting vulnerability in IBM InfoSphere Information Server 11.3, 11.5, and 11.7 can allow an attacker to load the vulnerable application inside an HTML iframe tag on a malicious page. IBM X-Force ID: 159419.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM InfoSphere Information Server 11.3, 11.5, and 11.7 could be embedded in a malicious webpage frame. A targeted user may be tricked into interacting with the real application inside that page, creating limited confidentiality and integrity risk. The issue is medium severity, not an outage risk.

Executive priority

Treat as a scheduled remediation item unless the affected application is broadly reachable or used for sensitive workflows. It is not KEV-listed, but affected IBM data integration environments should be inventoried and brought to vendor-supported fixed levels.

Technical view

CVE-2019-4237 is a cross-frame scripting weakness in IBM InfoSphere Information Server. The CVSS 3.0 score is 5.4 with network access, low complexity, low privileges, required user interaction, changed scope, low confidentiality and integrity impact, and no availability impact.

Likely exposure

Exposure is limited to organizations running IBM InfoSphere Information Server versions 11.3, 11.5, or 11.7. Risk increases where the application is reachable by normal user browsers over internal, VPN, or internet-accessible paths.

Exploitation context

The provided sources and KEV status do not show active exploitation. The attack model requires user interaction and involves loading the vulnerable application inside an iframe on a malicious page. No exploit code or weaponized procedure is cited.

Researcher notes

Evidence is strongest for affected versions, weakness type, and CVSS attributes. The source bundle does not provide detailed exploit prerequisites beyond framing and user interaction, nor does it name a specific fixed version. Avoid assuming broader IBM product impact.

Mitigation direction

  • Check IBM advisory 10879825 for the official fixed level or remediation guidance.
  • Prioritize upgrade or vendor-recommended remediation for affected 11.3, 11.5, and 11.7 deployments.
  • Restrict browser access to trusted networks while remediation is pending.
  • Review whether compensating controls prevent unauthorized framing of the application.
  • Track IBM X-Force ID 159419 for vendor vulnerability details.

Validation and detection

  • Inventory IBM InfoSphere Information Server instances and record deployed versions.
  • Confirm whether any instance runs 11.3, 11.5, or 11.7.
  • Review vendor advisory status against each deployed build or fix pack.
  • Check exposure paths from user workstations, VPN, and external networks.
  • Confirm remediation with version evidence 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-2019-4237 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/UI:R/I:L/AV:N/AC:L/PR:L/C:L/S:C/A:N/E:U/RL:O/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
5.4CVSS 3.0MediumCVSS:3.0/UI:R/I:L/AV:N/AC:L/PR:L/C:L/S:C/A:N/E:U/RL:O/RC:C2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2019-4237Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/UI:R/I:L/AV:N/AC:L/PR:L/C:L/S:C/A:N/E:U/RL:O/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
IBMInfoSphere Information Server11.3, 11.5, 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.