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CVE Record

CVE-2021-39050: IBM i2 Analyst's Notebook 9.2.0, 9.2.1, and 9.2.2 is vulnerable to a stack-based buffer overflow, caused by...

IBM i2 Analyst's Notebook 9.2.0, 9.2.1, and 9.2.2 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local attacker could overflow a buffer and gain lower level privileges. IBM X-Force ID: 214440.

MediumCVSS 5.3Not KEV-listedUpdated
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Glexia's TakeAutomated analysismoderate

Security readout for executives and security teams

Plain-English summary

CVE-2021-39050 affects IBM i2 Analyst's Notebook versions 9.2.0, 9.2.1, and 9.2.2. It is a local stack-based buffer overflow from improper bounds checking. The business risk is moderate because exploitation requires local access and user interaction, but affected analyst workstations may handle sensitive investigative data.

Executive priority

Schedule remediation through normal vulnerability management, with faster action for sensitive investigative environments. The issue is not internet-facing based on the provided vector, but affected analyst endpoints may process high-value data.

Technical view

The provided CVSS 3.0 score is 5.3. The vector indicates local attack, low complexity, no privileges required, user interaction required, unchanged scope, and low confidentiality, integrity, and availability impact. IBM identifies the issue as X-Force ID 214440. The bundle does not provide detailed trigger conditions or a fixed version.

Likely exposure

Exposure is limited to environments running IBM i2 Analyst's Notebook 9.2.0, 9.2.1, or 9.2.2. Highest concern is analyst endpoints where untrusted local activity or files could interact with the application.

Exploitation context

The source bundle does not show CISA KEV listing or active exploitation. The CVSS exploit maturity is listed as unproven. Treat this as a local workstation hardening and patch-management issue unless newer vendor intelligence says otherwise.

Researcher notes

Evidence is limited to the CVE description, CVSS vector, IBM support reference, and IBM X-Force entry. Do not assume remote reachability, public exploitation, or a specific fixed release from this bundle alone.

Mitigation direction

  • Identify all IBM i2 Analyst's Notebook installations and versions.
  • Check IBM's advisory for the official remediation path.
  • Prioritize remediation for analyst workstations handling sensitive investigations.
  • Restrict local access to affected systems until remediated.
  • Reduce use of untrusted local inputs where operationally possible.

Validation and detection

  • Confirm whether versions 9.2.0, 9.2.1, or 9.2.2 are installed.
  • Record affected endpoints, owners, and business function.
  • Compare scanner findings against CVE-2021-39050 and IBM X-Force 214440.
  • Verify remediation status using IBM's advisory guidance.
  • Recheck installed versions after remediation.
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-2021-39050 mapping review

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Vulnerability profileCVE Program record
Severity
Medium
CVSS
5.3 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AC:L/A:L/S:U/PR:N/C:L/I:L/AV:L/UI:R/E:U/RL:O/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
5.3CVSS 3.0MediumCVSS:3.0/AC:L/A:L/S:U/PR:N/C:L/I:L/AV:L/UI:R/E:U/RL:O/RC:C1.83.4Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

5.3Medium
CVSS 3.0 vector shape for CVE-2021-39050Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AC:L/A:L/S:U/PR:N/C:L/I:L/AV:L/UI:R/E:U/RL:O/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
IBMi2 Analyst's Notebook9.2.0, 9.2.1, 9.2.2Listed
Weakness

CWE details

No CWE listed

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