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CVE Record

CVE-2021-39047: IBM Planning Analytics 2.0 and IBM Cognos Analytics 11.2.1, 11.2.0, and 11.1.7 are vulnerable to cross-site...

IBM Planning Analytics 2.0 and IBM Cognos Analytics 11.2.1, 11.2.0, and 11.1.7 are 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: 214349.

MediumCVSS 6.1Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

This is a cross-site scripting issue in IBM Planning Analytics 2.0 and IBM Cognos Analytics 11.2.1, 11.2.0, and 11.1.7. A user could be tricked into running attacker-controlled JavaScript inside a trusted web session, potentially exposing credentials or changing what the web interface does.

Executive priority

Treat this as a moderate business risk. It is not documented here as actively exploited, but analytics platforms often hold sensitive business data and trusted credentials, making timely vendor remediation appropriate.

Technical view

CVE-2021-39047 is a network-reachable, low-complexity XSS flaw with user interaction required and no privileges required in the CVSS data. The impact is limited confidentiality and integrity loss, with changed scope, no availability impact, and IBM X-Force ID 214349.

Likely exposure

Exposure is most likely where affected IBM Cognos Analytics or IBM Planning Analytics web interfaces are deployed, especially if accessible to broad internal users or externally reachable. The bundle does not identify affected configurations beyond the listed products and versions.

Exploitation context

The source bundle does not show CISA KEV listing or cite active exploitation. The CVSS vector indicates user interaction is required, so realistic abuse likely depends on persuading a user to interact with malicious content in a trusted analytics session.

Researcher notes

Evidence supports an XSS classification and credential-disclosure potential, but the bundle does not include payload mechanics, exact vulnerable parameters, or fixed build numbers. Use IBM advisories as the authoritative source for affected/fixed levels.

Mitigation direction

  • Review IBM support advisories for the official remediation path.
  • Upgrade or patch affected IBM Cognos Analytics and Planning Analytics instances per IBM guidance.
  • Restrict web UI access to trusted users and networks where feasible.
  • Monitor for unusual credential use or suspicious activity in affected analytics sessions.

Validation and detection

  • Inventory deployed IBM Cognos Analytics and Planning Analytics versions.
  • Compare versions against IBM advisories and X-Force ID 214349.
  • Confirm affected web interfaces are not unnecessarily internet-exposed.
  • After remediation, verify installed version or fix level matches vendor guidance.
Prepared
Confidence
high
Sources
6

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-2021-39047 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/PR:N/I:L/UI:R/AC:L/A:N/S:C/C:L/AV:N/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
5Source 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/PR:N/I:L/UI:R/AC:L/A:N/S:C/C:L/AV:N/RC:C/E:H/RL:O2.82.7Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

6.1Medium
CVSS 3.0 vector shape for CVE-2021-39047Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/PR:N/I:L/UI:R/AC:L/A:N/S:C/C:L/AV:N/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
IBMCognos Analytics11.2.0, 11.1.7, 11.2.1Listed
Weakness

CWE details

No CWE listed

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