Vulnerability · Published Jul 21, 2023 · Assigned by VulDB

CVE-2023-3804Chengdu Flash Flood Disaster Monitoring and Warning System FileHandler.ashx unrestricted upload

Medium 5.5

In plain English

A medium-severity unrestricted file upload in Flash Flood Disaster Monitoring and Warning System from Chengdu. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium

Exploit odds (30 days)0.9%top 40.1% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

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/FileHandler.ashx. The manipulation of the argument userFile leads to unrestricted upload. The exploit has been disclosed to the public and may be used. The identifier of this vulnerability is VDB-235072. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Affected products (as reported)

Vendor	Product	Versions
Chengdu	Flash Flood Disaster Monitoring and Warning System	2.0

Weakness: CWE-434 · Vector: CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

References

https://vuldb.com/?id.235072 vdb-entry, technical-description
https://vuldb.com/?ctiid.235072 signature, permissions-required
https://github.com/yueying638/cve/blob/main/upload.md exploit