CVE-2019-4068
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 Intelligent Operations Center (IOC) 5.1.0 through 5.2.0 is vulnerable to user enumeration, allowing an attacker to brute force into the system. IBM X-Force ID: 157013.
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 Intelligent Operations Center versions 5.1.0 through 5.2.0 contains a user enumeration vulnerability that allows attackers to confirm valid usernames through the authentication interface. This information disclosure enables subsequent brute force attacks against the system.
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>= 5.1.0, <= 5.2.0>= 5.1.0, <= 5.1.0.6>= 5.1.0, <= 5.2.1.1CVSS 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
- Network
- Complexity
- Low
- Privileges
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
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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Identify installed IBM Intelligent Operations Center versionLocate the product version in the IBM IOC installation directory, typically in a version manifest file, or check the IBM Installation Manager for installed packagesAffected if installed version is >= 5.1.0 and <= 5.2.0 for base IOC, <= 5.1.0.6 for Emergency Management, or <= 5.2.1.1 for Water Operations For Waternamics
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Access the IBM IOC login pageNavigate to the web authentication interface URL for the IBM Intelligent Operations Center installation (typically at /ibm/console or similar admin login path)Affected if the login page is accessible over the network
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Test authentication response with a known invalid usernameSubmit a login attempt with a clearly invalid username (e.g., 'nonexistentuser123') and a random password. Record the exact error message returned.Affected if an error message is returned indicating the username does not exist
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Test authentication response with a valid usernameSubmit a login attempt with a valid username from the system (or a likely valid format) and an incorrect password. Record the exact error message returned and compare it to the invalid username case.Affected if the error message differs from the invalid username case (e.g., indicates password is wrong rather than user does not exist)
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 dataImplement generic authentication error messages that do not differentiate between invalid usernames and incorrect passwords, combined with rate limiting and account lockout policies.
- Consultation4.0 h
- Implementation8.0 h
- Testing4.0 h
- Review / QA2.0 h
An estimate, not a bill — we confirm scope with you before any work starts. Need it this week? Rush from $5,120.
Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2019-4068 — 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-2019-4068 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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- 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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