Path Traversal in Helloweb
CVE-2020-37034
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.
Vulnerability class: Path Traversal (Directory Traversal)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 64th percentile — 64.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.010 · newest: 0.011 · change: +0.001
Affected products
- Helloweb — versions 2.0
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/48659 (exploit)
- web.archive.org/web/20190109182037/https://helloweb.co.kr/ (product)
- www.vulncheck.com/advisories/helloweb-arbitrary-file-download (third-party-advisory)
Frequently asked questions
- What is CVE-2020-37034?
- CVE-2020-37034 is a high-severity vulnerability in Helloweb, classified under Path Traversal. CVSS score: 7.5/10. Published 2026-01-30.
- How severe is CVE-2020-37034?
- High severity. CVSS v3 base score is 7.5 out of 10.