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Description

HelloWeb 2.0 contains an arbitrary file download vulnerability that allows remote attackers to download system files by manipulating filepath and filename parameters. Attackers can send crafted GET requests to download.asp with directory traversal to access sensitive configuration and system files.

PUBLISHED Reserved 2026-01-28 | Published 2026-01-30 | Updated 2026-02-02 | Assigner VulnCheck




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

2.0
affected

Credits

bRpsd finder

References

www.exploit-db.com/exploits/48659 (ExploitDB-48659) exploit

web.archive.org/web/20190109182037/https://helloweb.co.kr/ (Archived HelloWeb Vendor Homepage) product

www.vulncheck.com/...sories/helloweb-arbitrary-file-download (VulnCheck Advisory: HelloWeb 2.0 - Arbitrary File Download) third-party-advisory

cve.org (CVE-2020-37034)

nvd.nist.gov (CVE-2020-37034)

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