What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-07-21 · updated 2026-06-17
• Weakness: CWE-434

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

• Chengdu Flash Flood Disaster Monitoring and Warning System: 2.0

References

• https://github.com/yueying638/cve/blob/main/upload.md
• https://vuldb.com/?ctiid.235072
• https://vuldb.com/?id.235072
• https://github.com/yueying638/cve/blob/main/upload.md
• https://vuldb.com/?ctiid.235072
• https://vuldb.com/?id.235072

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