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CVE Record

CVE-2020-4384: 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: 179265.

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 versions 11.3, 11.5, and 11.7 have a Web UI cross-site scripting flaw. A user could place JavaScript into the interface, potentially changing what another trusted user sees and risking credential disclosure during that session.

Executive priority

Treat this as a moderate business risk. It is not cited as actively exploited, but it can affect trusted sessions and credentials in a data integration platform. Prioritize based on whether affected versions remain accessible to broad user groups.

Technical view

CVE-2020-4384 is a medium-severity XSS issue with CVSS 3.0 score 5.4. The vector indicates network access, low privileges, required user interaction, low complexity, changed scope, and low confidentiality and integrity impact. IBM X-Force tracks it as ID 179265.

Likely exposure

Exposure is limited to organizations running IBM InfoSphere Information Server 11.3, 11.5, or 11.7, especially where the Web UI is reachable by multiple users. The bundle provides no CPEs or deployment prevalence.

Exploitation context

The source bundle does not show CISA KEV listing or cited evidence of active exploitation. The CVSS vector indicates exploitation requires low privileges and user interaction, so risk is most relevant in trusted user workflows.

Researcher notes

The bundle does not include CWE mapping, CPEs, or specific fixed builds. Do not assume internet-wide exposure. Validation should focus on affected version presence, Web UI reachability, access model, and IBM’s official advisory details.

Mitigation direction

  • Review IBM advisory 6202417 for official remediation or upgrade guidance.
  • Confirm whether versions 11.3, 11.5, or 11.7 remain in production.
  • Restrict Web UI access to trusted users and networks where feasible.
  • Prioritize remediation for shared, administrative, or externally reachable instances.

Validation and detection

  • Inventory IBM InfoSphere Information Server versions across environments.
  • Confirm Web UI exposure and user groups with access.
  • Check vendor advisory status against deployed builds.
  • Review security findings for XSS indicators in the Web UI.
Prepared
Confidence
medium
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-2020-4384 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/A:N/I:L/AV:N/PR:L/UI:R/AC:L/C:L/S:C/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/A:N/I:L/AV:N/PR:L/UI:R/AC:L/C:L/S:C/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-2020-4384Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:N/I:L/AV:N/PR:L/UI:R/AC:L/C:L/S:C/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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