CVE-2020-37034

8.7 highEPSS 1.1%

High (8.7). EPSS 1.1% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-22
Published: 2026-01-30
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

https://web.archive.org/web/20190109182037/https://helloweb.co.kr/
https://www.exploit-db.com/exploits/48659
https://www.vulncheck.com/advisories/helloweb-arbitrary-file-download

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