CVE-2021-4463

N/A Unknown
Published: November 12, 2025 Modified: November 14, 2025

Description

Longjing Technology BEMS API versions up to and including 1.21 contains an unauthenticated arbitrary file download vulnerability in the 'downloads' endpoint. The 'fileName' parameter is not properly sanitized, allowing attackers to craft traversal sequences and access sensitive files outside the intended directory.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory

7 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
0.1%
34th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)