CVE-2023-3802
Published: 21 July 2023
Summary
CVE-2023-3802 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 37.2th 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-2023-44435
Vulnerability details
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…
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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.
- 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.