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CVE-2020-4554: 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: 183322.

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 an attacker run code on that user’s system, with high confidentiality, integrity, and availability impact.

Executive priority

Treat this as a high-priority endpoint risk if IBM i2 Analyst Notebook is used in the organization. Urgency is highest for teams handling external files, because exploitation depends on user file opening rather than remote network access.

Technical view

CVE-2020-4554 is a memory corruption flaw in IBM i2 Analyst Notebook 9.2.1 and 9.2.2. The CVSS 3.0 score is 7.8. Attack vector is local, attack complexity is low, privileges are not required, and user interaction is required.

Likely exposure

Exposure is likely limited to workstations running IBM i2 Analyst Notebook 9.2.1 or 9.2.2, especially users who receive or open external analysis files. The source bundle does not identify server-side exposure or other affected IBM products.

Exploitation context

The attacker must persuade a victim to open a specially crafted file. The bundle does not show CISA KEV listing or cited evidence of active exploitation, and IBM X-Force exploitation maturity is listed as unproven.

Researcher notes

The key constraints are local attack vector and required user interaction. Impact is high across confidentiality, integrity, and availability. The provided sources do not include exploit details, named vulnerable file formats, or exact fixed build information.

Mitigation direction

  • Inventory IBM i2 Analyst Notebook installations and identify versions 9.2.1 and 9.2.2.
  • Review IBM advisory node 6254694 for the vendor-supported fix or upgrade path.
  • Update, isolate, or remove affected installations according to IBM guidance.
  • Warn users not to open unsolicited Analyst Notebook files from untrusted sources.
  • Prioritize remediation for investigative teams handling external or third-party files.

Validation and detection

  • Confirm installed IBM i2 Analyst Notebook versions on analyst workstations.
  • Check whether any affected users routinely receive files from external parties.
  • Verify remediation status against IBM’s advisory, not only package inventory.
  • Review endpoint telemetry for suspicious activity after opening Analyst Notebook files.
  • Document remaining affected hosts and compensating controls until fixed.
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

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.

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cve · low confidence lookup

CVE-2020-4554 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/A:H/UI:R/S:U/I:H/C:H/AC:L/RL:O/E:U/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
7.8CVSS 3.0HighCVSS:3.0/PR:N/AV:L/A:H/UI:R/S:U/I:H/C:H/AC:L/RL:O/E:U/RC:C1.85.9Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

7.8High
CVSS 3.0 vector shape for CVE-2020-4554Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

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