CVE-2023-3804
Published: 21 July 2023
Summary
CVE-2023-3804 is a medium-severity Unrestricted Upload of File with Dangerous Type (CWE-434) vulnerability in Cdwanjiang Flash Flood Disaster Monitoring And Warning System. Its CVSS base score is 5.5 (Medium).
Operationally, ranked at the 29.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2023-44437
Vulnerability details
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…
more
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
Likely Mitigating Controls AI
Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.
Requiring identifiable owners for portable devices reduces the attack surface for unrestricted uploads of dangerous file types via anonymous media.
Dangerous file uploads can be detonated in the chamber to determine malice before any production write or execution occurs.
Prevents unrestricted writing of arbitrary or malicious firmware by keeping hardware write-protect enabled except under tightly controlled manual procedures.
Scans files from external sources on download/open/execute, blocking unrestricted uploads of dangerous file types.