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CVE-2021-29867: IBM Cognos Analytics 11.1.7 and 11.2.0 could allow an authenticated to view or edit a Jupyter notebook that...

IBM Cognos Analytics 11.1.7 and 11.2.0 could allow an authenticated to view or edit a Jupyter notebook that they should not have access to. IBM X-Force ID: 206212.

MediumCVSS 5.4Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

IBM Cognos Analytics 11.1.7 and 11.2.0 may let a signed-in user view or edit Jupyter notebooks they are not authorized to access. This is a data confidentiality and integrity issue, not an outage risk, and it depends on the attacker already having valid access.

Executive priority

Treat this as a moderate priority access-control issue. It is less urgent than unauthenticated remote compromise, but it can expose or alter analytics assets if a normal user account is misused or overprivileged.

Technical view

CVE-2021-29867 is an authenticated access-control flaw affecting IBM Cognos Analytics 11.1.7 and 11.2.0. CVSS 3.0 is 5.4: network exploitable, low complexity, low privileges required, no user interaction, with low confidentiality and integrity impact and no availability impact.

Likely exposure

Exposure is most likely where IBM Cognos Analytics 11.1.7 or 11.2.0 is deployed and Jupyter notebooks contain sensitive business logic, data extracts, or analytics work. Internet exposure increases concern, but the source bundle only establishes authenticated access as required.

Exploitation context

The source bundle does not show active exploitation. The CVE is not marked KEV, and the CVSS exploit maturity value is unproven. Abuse would require a valid authenticated Cognos user and could affect notebook confidentiality or unauthorized edits.

Researcher notes

The public bundle identifies affected versions and impact but does not include detailed root cause, exploit procedure, or exact fixed versions. Avoid assuming broader Cognos versions are affected without vendor confirmation. Focus validation on authorization boundaries around Cognos Jupyter notebooks.

Mitigation direction

  • Identify all IBM Cognos Analytics 11.1.7 and 11.2.0 deployments.
  • Review IBM advisory guidance and apply vendor-approved updates or fixes.
  • Restrict Cognos access to trusted users and managed networks.
  • Review Jupyter notebook permissions for least-privilege alignment.
  • Monitor audit logs for unexpected notebook access or edits.

Validation and detection

  • Confirm Cognos Analytics version across production and non-production systems.
  • Check whether Jupyter notebook functionality is enabled or in use.
  • Review notebook ACLs against expected business ownership.
  • Audit recent notebook reads and edits by low-privileged users.
  • Track remediation status against IBM and relevant third-party advisories.
Prepared
Confidence
high
Sources
5

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-2021-29867 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/UI:N/AC:L/S:U/PR:L/A:N/AV:N/I:L/C:L/RC:C/RL:O/E:U

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
4Source 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/UI:N/AC:L/S:U/PR:L/A:N/AV:N/I:L/C:L/RC:C/RL:O/E:U2.82.5Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.4Medium
CVSS 3.0 vector shape for CVE-2021-29867Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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

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, 11.1.7Listed
Weakness

CWE details

No CWE listed

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