CVE-2023-3802

Name: CVE-2023-3802
Creator: NVD / NIST
Published: 2023-07-21T00:15:10.537+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.8/10EPSS 0.83%

Last modified Jun 17, 2026

CVE-2023-3802 is a critical-severity vulnerability rated 9.8/10 on the CVSS scale. A vulnerability was found in Chengdu Flash Flood Disaster Monitoring and Warning System 2.0. It has been rated as problematic. EPSS estimates a 0.83% chance of exploitation in the next 30 days.

Description

A vulnerability was found in Chengdu Flash Flood Disaster Monitoring and Warning System 2.0. It has been rated as problematic. Affected by this issue is some unknown functionality of the file /Controller/Ajaxfileupload.ashx. The manipulation of the argument file leads to unrestricted upload. The exploit has been disclosed to the public and may be used. VDB-235070 is the identifier assigned to this vulnerability. NOTE: The vendor was contacted early about this disclosure but did not respond in any way.

Metrics

CVSS 3.1

9.8/10

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

EPSS Probability

0.83%

53.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Cdwanjiang	Flash Flood Disaster Monitoring And Warning System	2.0

References

https://github.com/GUIqizsq/cve/blob/main/upload_1.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.235070Permissions Required, Third Party Advisory
https://vuldb.com/?id.235070Permissions Required, Third Party Advisory
https://github.com/GUIqizsq/cve/blob/main/upload_1.mdExploit, Third Party Advisory
https://vuldb.com/?ctiid.235070Permissions Required, Third Party Advisory
https://vuldb.com/?id.235070Permissions Required, Third Party Advisory

Timeline

Published: Jul 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-3802?

How severe is CVE-2023-3802?

CVE-2023-3802 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.83% probability of exploitation in the next 30 days.

How do I fix CVE-2023-3802?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-3802?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST