CVE-2021-4463
BaseFortify
Publication date: 2025-11-12
Last updated on: 2025-11-12
Assigner: VulnCheck
Description
Description
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| longjing_technology | bems_api | 1.21 |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-22 | The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. |
| CWE-552 | The product makes files or directories accessible to unauthorized actors, even though they should not be. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability exists in Longjing Technology BEMS API versions up to and including 1.21. It is an unauthenticated arbitrary file download vulnerability in the 'downloads' endpoint. The 'fileName' parameter is not properly sanitized, which allows attackers to use traversal sequences to access sensitive files outside the intended directory.
How can this vulnerability impact me? :
An attacker can exploit this vulnerability to download arbitrary files from the server without authentication. This can lead to exposure of sensitive information, potentially compromising system confidentiality and security.