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CVE Record

CVE-2020-4298: IBM InfoSphere Information Server 11.3, 11.5, and 11.7 is vulnerable to cross-site scripting.

IBM InfoSphere Information Server 11.3, 11.5, and 11.7 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web UI thus altering the intended functionality potentially leading to credentials disclosure within a trusted session. IBM X-Force ID: 176475.

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 has a Web UI cross-site scripting flaw. A logged-in user could place JavaScript into the interface, potentially changing what another trusted session sees and exposing credentials. This is a medium-severity issue, but it matters where InfoSphere supports sensitive data operations.

Executive priority

Treat as a moderate remediation item. It is not described as actively exploited, but it can affect credentials inside trusted sessions in a data-platform administration interface.

Technical view

The CVE describes stored or embedded JavaScript execution in the InfoSphere Information Server Web UI. The CVSS v3.0 score is 5.4 with network access, low complexity, low privileges required, and user interaction required. Impact is limited confidentiality and integrity, with no availability impact stated.

Likely exposure

Exposure is limited to organizations running IBM InfoSphere Information Server versions 11.3, 11.5, or 11.7 with Web UI access available to authenticated users.

Exploitation context

The provided sources do not show CISA KEV listing or active exploitation. The CVSS vector indicates exploitation requires low privileges and user interaction, so risk depends on who can access the Web UI and whether trusted users can be induced to interact with affected content.

Researcher notes

Evidence is limited to the CVE description, CVSS vector, IBM advisory reference, and IBM X-Force ID 176475. No CWE is listed in the bundle. Do not assume affected versions beyond 11.3, 11.5, and 11.7 or specific fixed builds not shown here.

Mitigation direction

  • Review IBM advisory 6194775 and apply the vendor-supported remediation for the installed version.
  • Prioritize upgrade or fix planning for exposed InfoSphere Web UI environments.
  • Restrict Web UI access to trusted users and networks while remediation is pending.
  • Review authentication, session, and credential-handling controls around the InfoSphere Web UI.

Validation and detection

  • Inventory IBM InfoSphere Information Server deployments and confirm versions 11.3, 11.5, or 11.7.
  • Check whether the Web UI is reachable from untrusted networks or broad internal user groups.
  • Confirm whether IBM advisory remediation has been applied to affected deployments.
  • Review application security test results for cross-site scripting in the Web UI.
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.

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CVE-2020-4298 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/PR:L/AV:N/S:C/A:N/AC:L/I:L/C:L/RC:C/E:H/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
5.4CVSS 3.0MediumCVSS:3.0/UI:R/PR:L/AV:N/S:C/A:N/AC:L/I:L/C:L/RC:C/E:H/RL:O2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2020-4298Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/UI:R/PR:L/AV:N/S:C/A:N/AC:L/I:L/C:L/RC:C/E:H/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 Server11.3, 11.5, 11.7Listed
Weakness

CWE details

No CWE listed

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