CVE-2020-4422
Official description Straight from the sourceThe vendor's or NVD's own wording, published unedited. Authoritative, but often terse — it says what broke, rarely what to do.
NVD · uneditedIBM i2 Intelligent Analyis Platform 9.2.1 could allow a remote attacker to execute arbitrary code on the system, caused by a memory corruption. By persuading a victim to open a specially crafted file, a remote attacker could exploit this vulnerability to execute arbitrary code on the system or cause the application to crash. IBM X-Force ID: 180167.
Technical summary Written by usOur analysis, written from the advisory, the CVSS vector and the affected-version data. It adds context the advisory leaves out, and never invents facts that are not in the source.
dbcve analysis · high confidenceIBM i2 Intelligent Analysis Platform 9.2.1 contains a memory corruption vulnerability that can be exploited by convincing a user to open a specially crafted malicious file, allowing a remote attacker to execute arbitrary code on the system or cause a denial of service condition.
Verify against the referenced sources before acting — the references below are authoritative for this CVE, this summary is not.
Affected products & versions What the vendor confirmedThe version ranges the vendor confirmed as vulnerable. If your version sits inside a range here, treat yourself as exposed until you have upgraded.
NVD · CPE data= 9.2.1CVSS breakdown How the score is builtThe industry scoring standard. It rates how the flaw is reached, what it takes to exploit, and what an attacker gains — the score is derived from those, not the other way round.
From the vector- Attack vector
- Local
- Complexity
- Low
- Privileges
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Am I affected? How to checkSteps we derive from the advisory and the affected-version data, so you can decide whether this CVE reaches your setup. They are a guide, not a scan — your own configuration is the authority.
dbcve checksWork through these to decide whether this CVE applies to you.
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Verify IBM i2 Analysts Notebook is installedCheck the installed programs list in Windows Control Panel > Programs and Features, or use the command 'Get-WmiObject -Class Win32_Product | Select-Object Name, Version' in PowerShell to list installed softwareAffected if IBM i2 Analysts Notebook appears in the installed programs list
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Confirm the installed version is 9.2.1Locate the version number in the program's About or Help menu, or check the file version of the executable (typically in the installation directory such as C:\Program Files\IBM\i2\Analyst's Notebook or similar) by right-clicking the .exe file and selecting Properties > DetailsAffected if The version is listed as exactly 9.2.1
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Verify the application is configured to handle analysis filesCheck if the application file associations are registered (look for .anb or other i2 file extensions associated with the program) and confirm the application can open local filesAffected if File associations for i2 analysis files exist and the application can open files from local storage
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Check for recent file opening activityReview Windows Event Logs under Security and Application logs for evidence of .anb or i2 analysis files being opened, or check recent documents in the application's File menuAffected if Users have opened analysis files with this application (the vulnerability is triggered only when a user opens a malicious file)
You are affected only if IBM i2 Analysts Notebook version 9.2.1 is installed AND users can open analysis files with it, since exploitation requires a user to open a specially crafted malicious file.
Generated from the published advisory. Verify against your own configuration.
Remediation Closing itWhat it takes to close this. Where a vendor fix exists we point at it; where none exists we say so plainly, and can build one. Effort estimates are scoped from the advisory, not from your codebase.
From vendor dataApply the vendor-supplied patch or update to IBM i2 Intelligent Analysis Platform. Until patched, advise users to avoid opening files from untrusted sources.
- Consultation2.0 h
- Implementation2.0 h
- Testing3.0 h
- Review / QA1.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $2,224.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2020-4422 — or any other known-vulnerable package — straight from your lock files. Free and open source; it runs locally and uploads nothing.
References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.
Primary sourcesPractitioner notes
ContributedPeer-ranked notes from engineers who’ve handled CVE-2020-4422 in production — separate from our analysis above.
The advisory tells you what broke. It rarely tells you what actually worked. If you’ve dealt with this one, that detail is what the next engineer is searching for.
- The version that genuinely resolved it — not the one the vendor claimed
- A config change or rule that shut the vector down
- A gotcha in the upgrade path that cost you an afternoon
No notes yet
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A place for practitioners to share what actually worked: a mitigation you’ve tested, a configuration change, a version- or environment-specific caveat, or a link to a verified patch. The most useful notes rise to the top as peers upvote them, so the signal stays high.
- Verified mitigations, workarounds, and config changes
- Version or environment caveats, and links to real fixes
- No weaponised exploit code, or anything meant to cause harm
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