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Fencer Vulns
medium 4.3

CVE-2023-4171 json

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

published 2023-08-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-54050

cvss
4.3
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
23 mo ago

Exploit prediction

1.06% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/nagenanhai/cve/blob/main/duqu.md referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products

  • Chengdu Flash Flood Disaster Monitoring and Warning System

Classification

Weakness
  • CWE-24 Path Traversal: '../filedir'

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.