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CVE Record

CVE-2021-29712: 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: 200966.

MediumCVSS 6.1Not 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 flaw. JavaScript could run inside a user's trusted session, potentially changing page behavior or exposing credentials. It requires user interaction and is rated medium, but it matters where the product is used for sensitive data operations.

Executive priority

Treat this as a moderate remediation item. Prioritize faster if InfoSphere handles sensitive data, has broad user access, or is reachable from untrusted networks. It is not currently supported by KEV evidence as an emergency exploitation case.

Technical view

CVE-2021-29712 is a network-reachable XSS issue in IBM InfoSphere Information Server 11.7. The CVSS 3.0 score is 6.1 with low complexity, no privileges required, user interaction required, changed scope, low confidentiality impact, low integrity impact, and no availability impact.

Likely exposure

Exposure is limited to environments running IBM InfoSphere Information Server 11.7, especially where the Web UI is reachable by users or broader networks. The bundle does not identify other affected versions, deployment modes, or CPEs.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation evidence. IBM's CVSS vector marks exploit maturity as high, but that is not the same as confirmed real-world exploitation.

Researcher notes

Evidence is concise: IBM identifies XSS in InfoSphere Information Server 11.7 with potential credential disclosure in a trusted session. The bundle does not include vulnerable parameter names, proof-of-concept details, fixed build numbers, or mitigations beyond IBM advisory references.

Mitigation direction

  • Review IBM advisory 6468581 for the official remediation for version 11.7.
  • Apply IBM's official fix or supported upgrade path where applicable.
  • Restrict Web UI access to trusted networks and authenticated users.
  • Use browser and application security controls that reduce XSS impact.
  • Monitor vendor guidance for any revised affected-version or fix details.

Validation and detection

  • Inventory systems for IBM InfoSphere Information Server 11.7.
  • Confirm whether the Web UI is internet-facing or broadly reachable internally.
  • Check installed fix level against IBM advisory 6468581.
  • Review application security findings for XSS in the InfoSphere Web UI.
  • Look for suspicious script-like content in user-controlled Web UI fields.
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-2021-29712 mapping review

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

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
6.1 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/I:L/C:L/UI:R/S:C/PR:N/AC:L/A:N/RL:O/E:H/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
6.1CVSS 3.0MediumCVSS:3.0/AV:N/I:L/C:L/UI:R/S:C/PR:N/AC:L/A:N/RL:O/E:H/RC:C2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.1Medium
CVSS 3.0 vector shape for CVE-2021-29712Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

CWE details

No CWE listed

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