CVE-2024-3783
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 · uneditedThe Backup Agents section in WBSAirback 21.02.04 is affected by a Path Traversal vulnerability, allowing a user with low privileges to download files from the system.
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 confidenceA path traversal vulnerability in the Backup Agents section of WBSAirback 21.02.04 allows authenticated users with low privileges to download arbitrary files from the server by manipulating file paths with directory traversal sequences (e.g., ../../).
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= 21.02.04CVSS 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
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- None
- Availability
- None
CVSS:3.1/AV:N/AC:L/PR:L/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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Verify WBSAirback installationIdentify if Whitebearsolutions WBSAirback is deployed in your environment by checking for the product's web interface, service, or installation directories.Affected if WBSAirback is not installed in your environment
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Check installed versionDetermine the exact version of WBSAirback installed. This may be visible in the web interface header, an about page, or via command-line tools provided by the product.Affected if The installed version is exactly 21.02.04
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Confirm Backup Agents feature is accessibleVerify that the Backup Agents functionality is available and exposed in the WBSAirback web interface. This is the specific component where the path traversal vulnerability exists.Affected if Backup Agents feature is enabled and accessible to users
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Assess user authentication and privilegesDetermine if there are user accounts configured in WBSAirback, particularly accounts with low-privilege access that can authenticate to the system.Affected if Authenticated user accounts exist, including low-privilege accounts
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Test directory traversal accessIf you have a low-privilege user account, attempt to access the Backup Agents download functionality using directory traversal sequences (such as ../../) in the file path parameter to see if arbitrary files can be retrieved.Affected if A low-privilege authenticated user can access files outside the intended directory via the Backup Agents feature
You are affected if WBSAirback version 21.02.04 is installed, the Backup Agents feature is accessible, and low-privilege authenticated users can manipulate file paths to access arbitrary files on the server.
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 strict input validation and canonicalization of file paths to ensure users can only access files within authorized directories. Validate that resolved paths remain within allowed boundaries and enforce proper access controls on the Backup Agents functionality.
- 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-2024-3783 — 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-2024-3783 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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