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Unrestricted File UploadWeakness · CWE-434

CVE-2024-53982

HIGH · 8.7 CVSS v4.0 Published 2024-12-04
Patch available
A vendor patch is available. No clean upgrade release — apply the published patch.
See remediation →
96/100
Remediation priority · Urgent
Remotely reachable No privileges Zero-click Patch available

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 · unedited
ZOO-Project is a C-based WPS (Web Processing Service) implementation. A path traversal vulnerability was discovered in Zoo-Project Echo example. The Echo example available by default in Zoo installs implements file caching, which can be controlled by user-given parameters. No input validation is performed in this parameter, which allows an attacker to fully control the file which is returned in the response. Patch was committed in November 22nd, 2024.

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
How this class of weakness works · CWE-434

The application accepts uploaded files without properly checking their type or content, so an attacker can upload something executable. If it lands where the server will run it, that is remote code execution. Remediating it means validating content rather than just the extension, storing uploads outside the web root, and never executing them.

General guidance for the unrestricted file upload class — the official description and references above are authoritative for this specific CVE. Want a bespoke review and a reviewed fix? Ask our team →

CVSS 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
Authentication
X
User interaction
None
Scope
X

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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.

dbcve · scoped
Patch available Apply the vendor patch
Vendor patch github.com →
Recommended fix Moderate confidence
  1. Navigate to the ZOO-Project repository at https://github.com/ZOO-Project/ZOO-Project
  2. Locate the Echo service implementation (typically in the zoo-project/zoo-services/utils/echo or similar directory)
  3. Apply the fix from commit 641cb18fec58de43a3468f314e5f8808c560e6d9 which adds input validation for the file caching parameters to prevent path traversal
  4. Verify that user-supplied file path parameters are validated to ensure they do not contain path traversal sequences (../ or ..\)
  5. Rebuild and redeploy the ZOO-Project WPS service
  6. Test the Echo service to confirm the vulnerability is remediated by attempting path traversal patterns

Generated from the published advisory — verify against the referenced sources before acting.

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References Go to the primary sourcePrimary sources — vendor advisories, patches and trackers. Where our summary and a reference disagree, the reference wins.

Primary sources

Practitioner notes

Contributed

Peer-ranked notes from engineers who’ve handled CVE-2024-53982 in production — separate from our analysis above.

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