CVE-2021-4463

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.
Path Traversal
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
UNKNOWN
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VulnCheckCNA
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Awaiting analysis
This vulnerability is currently awaiting analysis.
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Common Weakness Enumeration
References
https://cxsecurity.com/issue/WLB-2021070173
https://exchange.xforce.ibmcloud.com/vulnerabilities/206477
https://packetstormsecurity.com/files/163702
https://web.archive.org/web/20220527162453/http://www.ljkj2012.com/
https://www.exploit-db.com/exploits/50163
https://www.vulncheck.com/advisories/longjing-technology-bems-api-remote-arbitrary-file-download
https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5657.php