HelloWeb 2.0 download.asp filepath/filename path traversal

Summaryinfo

A vulnerability, which was classified as critical, was found in HelloWeb 2.0. Affected is an unknown function of the file download.asp. Such manipulation of the argument filepath/filename leads to path traversal. This vulnerability is uniquely identified as CVE-2020-37034. The attack can be launched remotely. Moreover, an exploit is present.

Detailsinfo

A vulnerability was found in HelloWeb 2.0 and classified as critical. Affected by this issue is some unknown functionality of the file download.asp. The manipulation of the argument filepath/filename with an unknown input leads to a path traversal vulnerability. Using CWE to declare the problem leads to CWE-22. The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory. Impacted is confidentiality. CVE summarizes:

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.

The weakness was disclosed by bRpsd as 48659. The advisory is available at exploit-db.com. This vulnerability is handled as CVE-2020-37034 since 01/28/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. Technical details as well as a public exploit are known. This vulnerability is assigned to T1006 by the MITRE ATT&CK project.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. By approaching the search of inurl:download.asp it is possible to find vulnerable targets with Google Hacking.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (48659) and EUVD (EUVD-2020-30943). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Name

• HelloWeb

Version

• 2.0

CPE 2.3info

• 🔒

CPE 2.2info

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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