LiveActive security incident?Get immediate response
CVE Record

CVE-2020-4702: IBM InfoSphere Information Server 11.7 is vulnerable to stored cross-site scripting.

IBM InfoSphere Information Server 11.7 is vulnerable to stored 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: 187187.

MediumCVSS 6.4Not KEV-listedUpdated
Discuss exposureBack to CVEs
Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM InfoSphere Information Server 11.7 has a stored cross-site scripting flaw in its Web UI. A lower-privileged authenticated user could save JavaScript that later runs inside another trusted user’s session, potentially exposing credentials or changing page behavior.

Executive priority

Treat this as a moderate remediation item. It is not described as actively exploited, but it can affect trusted sessions and credentials in a business data platform, so patch planning and exposure reduction are warranted.

Technical view

CVE-2020-4702 affects IBM InfoSphere Information Server 11.7. The source describes stored XSS allowing arbitrary JavaScript in the Web UI, with network attack vector, low complexity, low privileges required, changed scope, and low confidentiality and integrity impact. CVSS v3.0 score is 6.4.

Likely exposure

Exposure is likely limited to organizations running IBM InfoSphere Information Server 11.7, especially where the Web UI is reachable by multiple authenticated users. The bundle does not identify other affected versions or products.

Exploitation context

The bundle does not show CISA KEV listing or direct evidence of active exploitation. The CVSS temporal vector includes E:H, but that should not be read as confirmed in-the-wild exploitation without a cited source.

Researcher notes

The public bundle is concise and does not provide vulnerable fields, proof-of-concept details, or named fixed builds. Analysis is therefore limited to the stored XSS behavior, affected version 11.7, IBM X-Force ID 187187, and CVSS details supplied.

Mitigation direction

  • Check IBM advisory and X-Force entry for the official remediation path.
  • Apply IBM-supported fixes or upgrades for InfoSphere Information Server 11.7 where applicable.
  • Restrict Web UI access to trusted users and management networks.
  • Review and remove suspicious stored content in affected UI areas.
  • Monitor for credential misuse linked to InfoSphere user sessions.

Validation and detection

  • Inventory systems running IBM InfoSphere Information Server 11.7.
  • Confirm installed fix levels against IBM’s advisory for CVE-2020-4702.
  • Identify whether the InfoSphere Web UI is reachable beyond trusted networks.
  • Review recent Web UI changes for unexpected script content.
  • Check logs for unusual authenticated activity around affected workflows.
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

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cve · low confidence lookup

CVE-2020-4702 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.4 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/UI:N/A:N/AC:L/C:L/I:L/PR:L/AV:N/S:C/RL:O/RC:C/E:H

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
6.4CVSS 3.0MediumCVSS:3.0/UI:N/A:N/AC:L/C:L/I:L/PR:L/AV:N/S:C/RL:O/RC:C/E:H3.12.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.4Medium
CVSS 3.0 vector shape for CVE-2020-4702Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/UI:N/A:N/AC:L/C:L/I:L/PR:L/AV:N/S:C/RL:O/RC:C/E:H

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

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