CVE-2023-4171 Chengdu Flash Flood Disaster Monitoring and Warning System FileDownload.ashx path traversal

Medium 4.3 Published 5 Aug 2023 Updated 21 Nov 2024

Remote attackers can exploit a path traversal vulnerability in the FileDownload.ashx endpoint to read arbitrary files from the server.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-4171?

CVE-2023-4171 is a medium-severity path traversal vulnerability in Chengdu Flash Flood Disaster Monitoring and Warning System, published on 5 Aug 2023. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability classified as problematic was found in Chengdu Flash Flood Disaster Monitoring and Warning System 2.0. This vulnerability affects unknown code of the file \Service\FileDownload.ashx. The manipulation of the argument Files leads to path traversal: '../filedir'. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used. VDB-236206 is the identifier assigned to this vulnerability.

Weakness: CWE-24

Which versions are affected by CVE-2023-4171?

It affects 1 product.

Products include Cdwanjiang Flash Flood Disaster Monitoring and Warning System.

How do I fix CVE-2023-4171?

No fix has been published for CVE-2023-4171 yet. Limit exposure of the affected software until one is available.

Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.

Is CVE-2023-4171 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-4171 exists.

Sources

Also known as GHSA-4wj3-6rq6-hrw7.