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CVE Record

CVE-2020-4997: IBM InfoSphere Information Server 11.7 is vulnerable to cross-site scripting.

IBM InfoSphere Information Server 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: 192914

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 11.7 has a Web UI cross-site scripting issue. A low-privileged user could place JavaScript into the interface, and another user’s trusted session could then expose credentials or alter page behavior. This is a moderate business risk, especially where the product is used for sensitive data operations.

Executive priority

Prioritize remediation in environments where InfoSphere supports sensitive analytics, ETL, or data governance workflows. The issue is not critical from the supplied evidence, but credential exposure in a trusted session can create follow-on risk if privileged users are affected.

Technical view

CVE-2020-4997 is an IBM InfoSphere Information Server 11.7 XSS vulnerability, IBM X-Force ID 192914. CVSS 3.0 is 5.4 with network attack vector, low complexity, low privileges required, user interaction required, changed scope, and low confidentiality and integrity impact. Availability impact is not indicated.

Likely exposure

Exposure appears limited to IBM InfoSphere Information Server 11.7 deployments with reachable Web UI access. Risk is higher where many users can authenticate, where administrative users regularly use the UI, or where the interface is reachable beyond tightly controlled internal networks.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. The CVSS vector indicates exploitation requires an authenticated low-privileged user and user interaction by another session. Do not treat this as proven exploited based on the provided evidence.

Researcher notes

Source evidence names InfoSphere Information Server 11.7 only. The vulnerability is XSS in the Web UI with potential credential disclosure. Available data does not identify the exact parameter, page, patch level, or exploit-in-the-wild status, so validation should stay source-aligned and vendor-guided.

Mitigation direction

  • Identify all IBM InfoSphere Information Server 11.7 instances.
  • Review IBM advisory and X-Force entry for official remediation guidance.
  • Apply the vendor-provided fix or supported update path if applicable.
  • Restrict Web UI access to trusted networks and necessary users.
  • Review user roles and remove unnecessary low-privileged access.

Validation and detection

  • Confirm installed InfoSphere Information Server versions against asset inventory.
  • Check whether IBM’s advisory-recommended remediation is applied.
  • Review Web UI exposure through access controls and network paths.
  • Assess whether untrusted or broad user groups can access the UI.
  • Monitor for suspicious script-like content or abnormal UI activity.
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-2020-4997 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/AC:L/AV:N/C:L/PR:L/S:C/I:L/UI:R/E:H/RC:C/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/AC:L/AV:N/C:L/PR:L/S:C/I:L/UI:R/E:H/RC:C/RL:O2.32.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2020-4997Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/A:N/AC:L/AV:N/C:L/PR:L/S:C/I:L/UI:R/E:H/RC:C/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 Server11.7Listed
Weakness

CWE details

No CWE listed

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