TI-2023-03861 Aliases CVE-2023-4172 GHSA-23rg-jpw2-p6r8

Chengdu Flash Flood Disaster Monitoring and Warning System FileHandler.ashx absolute path traversal

LOW 35CWE-36Published 2023-08-05 · Updated 2024-08-02

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-22 and the CVSS impact.

Summary

A vulnerability, which was classified as problematic, has been found in Chengdu Flash Flood Disaster Monitoring and Warning System 2.0. This issue affects some unknown processing of the file \Service\FileHandler.ashx. The manipulation of the argument FileDirectory leads to absolute path traversal. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-236207.

Why it matters now

EPSS 0.00921 60th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Chengdu	Flash Flood Disaster Monitoring and Warning System	2.0	—	No fix listed	CNA

Flash Flood Disaster Monitoring and Warning System VendorChengdu Affected 2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:cdwanjiang:flash_flood_disaster_monitoring_and_warning_system:2.0:::::::*	2.0	Vulnerable	Cdwanjiang

cpe:2.3:a:cdwanjiang:flash_flood_disaster_monitoring_and_warning_system:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Cdwanjiang

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-4172
2026-10-03 Alias added: GHSA-23rg-jpw2-p6r8

References

Exploit 1

https://github.com/nagenanhai/cve/blob/main/duqu2.md

TI-2023-03860 Chengdu Flash Flood Disaster Monitoring and Warning System FileDownload.ashx path traversal CVSS 3.1MEDIUM 5.3
TI-2023-03555 Chengdu Flash Flood Disaster Monitoring and Warning System FileHandler.ashx unrestricted upload CVSS 3.1CRITICAL 9.8
TI-2023-03553 Chengdu Flash Flood Disaster Monitoring and Warning System Ajaxfileupload.ashx unrestricted upload CVSS 3.1CRITICAL 9.8
TI-2023-03549 Chengdu Flash Flood Disaster Monitoring and Warning System upload.aspx unrestricted upload CVSS 3.1CRITICAL 9.8
TI-2023-03554 Chengdu Flash Flood Disaster Monitoring and Warning System File Name ImageStationDataService.asmx random values CVSS 3.1LOW 3.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences