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CVE-2020-4550: IBM i2 Analyst Notebook 9.2.1 and 9.2.2 could allow a local attacker to execute arbitrary code on the syste...

IBM i2 Analyst Notebook 9.2.1 and 9.2.2 could allow a local attacker to execute arbitrary code on the system, caused by a memory corruption. By persuading a victim to open a specially-crafted file, an attacker could exploit this vulnerability to execute arbitrary code on the system. IBM X-Force ID: 183318.

HighCVSS 7.8Not KEV-listedUpdated
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Glexia's TakeAutomated analysishigh

Security readout for executives and security teams

Plain-English summary

IBM i2 Analyst Notebook 9.2.1 and 9.2.2 can be compromised if a user opens a maliciously crafted file. Successful exploitation could let the attacker run code on that user's system, affecting confidentiality, integrity, and availability.

Executive priority

High for organizations using IBM i2 Analyst Notebook. The business risk is user-driven code execution on analyst workstations, not internet-wide exposure. Prioritize asset identification and vendor-guided remediation.

Technical view

CVE-2020-4550 is a memory corruption vulnerability in IBM i2 Analyst Notebook 9.2.1 and 9.2.2. The CVSS 3.0 score is 7.8. The attack is local, requires user interaction, needs no privileges, and can lead to arbitrary code execution in the affected environment.

Likely exposure

Exposure is limited to systems with IBM i2 Analyst Notebook 9.2.1 or 9.2.2 installed, especially where users open files from external or untrusted sources.

Exploitation context

The source bundle does not show active exploitation, and the CVE is not marked CISA KEV. Exploitation requires persuading a victim to open a specially crafted file.

Researcher notes

Key constraints are local attack vector and required user interaction. The bundle identifies memory corruption and arbitrary code execution but does not provide CWE, exploit details, or specific fixed versions beyond IBM references.

Mitigation direction

  • Inventory endpoints for IBM i2 Analyst Notebook 9.2.1 and 9.2.2.
  • Review IBM advisory guidance for the supported remediation or update path.
  • Restrict opening Analyst Notebook files from untrusted sources until remediated.
  • Prioritize remediation on analyst workstations handling external files.

Validation and detection

  • Confirm installed IBM i2 Analyst Notebook versions on managed endpoints.
  • Check whether affected versions 9.2.1 or 9.2.2 are present.
  • Verify IBM-recommended remediation has been applied where applicable.
  • Review user workflows for externally received Analyst Notebook files.
Prepared
Confidence
medium
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.

description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2020-4550 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
High
CVSS
7.8 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/PR:N/AV:L/S:U/I:H/UI:R/A:H/C:H/AC: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
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
7.8CVSS 3.0HighCVSS:3.0/PR:N/AV:L/S:U/I:H/UI:R/A:H/C:H/AC:L/RC:C/RL:O/E:U1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.8High
CVSS 3.0 vector shape for CVE-2020-4550Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/PR:N/AV:L/S:U/I:H/UI:R/A:H/C:H/AC: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
IBMi2 Analyst Notebook9.2.1, 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.