CVE-2007-6408
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 Tivoli Provisioning Manager Express provides unspecified information in error messages when (1) attempted duplication of a username occurs when creating an account or (2) when trying to login using a valid username, which makes it easier for remote attackers to enumerate usernames.
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 Tivoli Provisioning Manager Express contains a username enumeration vulnerability where error messages reveal whether a username already exists (during account creation) or is valid (during login). This information disclosure allows remote attackers to discover valid usernames through differential analysis of error responses.
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 dataall versionsCVSS 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
- Authentication
- None
- Confidentiality
- Partial
- Integrity
- None
- Availability
- None
AV:N/AC:L/Au:N/C:P/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 if IBM Tivoli Provisioning Manager Express is accessibleCheck if the web interface is reachable by accessing the application's URL, typically on ports 80 or 443, or the specific port configured during installation. Look for login pages or console interfaces that match the product.Affected if The application is accessible and serving authentication or account creation interfaces
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Test login error message variationSubmit login attempts with two different usernames: one that is known or suspected to be valid, and one that is definitely invalid. Compare the error messages returned for each attempt.Affected if The error messages differ between valid and invalid usernames (e.g., 'Invalid password' for valid user vs 'User not found' for invalid user)
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Test account creation error message variationSubmit account registration or creation requests using the same username twice, and also using a different username each time. Compare the error messages returned for each attempt.Affected if The error messages differ between an existing username and a new username (e.g., 'Username already exists' vs 'Account created successfully')
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Verify username existence disclosureReview all error messages and responses from login, password reset, and account creation functions. Note whether any message explicitly confirms or denies the existence of a specific username.Affected if Any error message or response reveals whether a particular username is valid or already registered in the system
A user is affected if the application returns different error messages that disclose whether a username exists, allowing an attacker to enumerate valid accounts through repeated requests.
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 error messages that do not differentiate between invalid usernames, existing usernames, or authentication failures. All username-related operations should return the same message regardless of whether the username exists.
- Consultation2.0 h
- Implementation2.0 h
- Testing2.0 h
- Review / QA1.0 h
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Free · runs locallyCheck whether your project pulls in CVE-2007-6408 — 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-2007-6408 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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- Version or environment caveats, and links to real fixes
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