CVE-2024-55374
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 · uneditedREDCap 14.3.13 allows an attacker to enumerate usernames due to an observable discrepancy between login attempts.
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 · moderate confidenceREDCap 14.3.13 contains a username enumeration vulnerability where the login mechanism returns different responses for valid versus invalid usernames, allowing unauthenticated attackers to determine which accounts exist in the system by observing discrepancies in error messages or response behavior.
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= 14.3.13CVSS 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
- Low
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/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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Verify REDCap versionAccess the REDCap admin interface or check the version file in the installation directory. Look for the version number displayed in the system information or about page.Affected if The installed version is exactly 14.3.13
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Test login response for non-existent usernameSubmit a login attempt with a clearly invalid username that does not exist in the system. Observe the exact error message or HTTP response code returned.Affected if The response indicates the username does not exist or provides specific feedback about invalid username
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Test login response for valid username with wrong passwordSubmit a login attempt with a known valid username but an incorrect password. Observe the exact error message or HTTP response code returned.Affected if The response differs from the invalid username case (e.g., says password is wrong instead of username not found)
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Compare login error messagesCompare the error messages from step 2 and step 3 side by side. Look for any differences in wording, timing, or behavior that could reveal whether the username is valid.Affected if The error messages or responses are different between valid and invalid usernames, enabling enumeration
The environment is affected if REDCap version 14.3.13 is installed AND the login mechanism returns different error responses for valid usernames versus invalid usernames.
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 uniform error messaging for all failed login attempts so that responses do not differentiate between invalid usernames and incorrect passwords, preventing user enumeration.
- Consultation2.0 h
- Implementation3.0 h
- Testing2.0 h
- Review / QA1.0 h
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Scan for this in your stack
Free · runs locallyCheck whether your project pulls in CVE-2024-55374 — 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-2024-55374 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
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