CVE-2021-4463

Publication date

2025-11-12 22:07:30

Family

VulnCheck

State

PUBLISHED

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.