high8.7
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.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Longjing Technology BEMS API | through 1.21 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- 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