Vulnerability 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.
Related Weaknesses (CWE)
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-arbitra
- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5657.php
FAQ
What is CVE-2021-4463?
CVE-2021-4463 is a documented vulnerability. 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 s...
How severe is CVE-2021-4463?
CVSS scoring is not yet available for CVE-2021-4463. Check NVD for updates.
Is there a patch for CVE-2021-4463?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.