CVE-2021-4463 — Longjing Technology BEMS API <= 1.21 Remote Arbitrary File Download
Longjing Technology BEMS API versions up to and including 1.21 contains an unauthenticated arbitrary file download vulnerability in the 'downloads' endpoint. The 'fileName' para…
Published: 2025-11-12 · CVSS: 8.7 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7