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CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Unauthenticated network-accessible upload endpoint; chained webshell execution on ASP.NET achieves scope change and full system compromise.
Primary rating from Vendor (VulDB).
CVSS VectorVendor: VulDB
Lifecycle Timeline
3DescriptionCVE.org
A vulnerability was determined in Beijing Meite Software Technology U+Smart Enjoyment WebSite 18.6001.1096.1000. This impacts an unknown function of the file /Report/Upload/UploadFormImg.ashx. Executing a manipulation of the argument File can lead to unrestricted upload. It is possible to launch the attack remotely. The exploit has been publicly disclosed and may be utilized.
AnalysisAI
Unrestricted file upload in Beijing Meite Software Technology U+Smart Enjoyment WebSite 18.6001.1096.1000 exposes the /Report/Upload/UploadFormImg.ashx endpoint to unauthenticated remote file submission without file-type validation. An unauthenticated network attacker can upload arbitrary file types - including ASP.NET script files such as .aspx webshells - potentially chaining the upload into remote code execution on the underlying IIS server if the upload directory permits script execution. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | No authentication is required - the CVSS 4.0 vector (PR:N/UI:N) confirms unauthenticated, user-interaction-free exploitation directly over the network. … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N) confirms the attack is fully unauthenticated, remotely executable, and requires no special conditions - a straightforward exploitation profile. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch has been identified at time of analysis; the CVE references are limited to VulDB reporting (https://vuldb.com/vuln/399431) and the public PoC, with no fix version confirmed. … Detailed patch versions, workarounds, and compensating controls in full report. |
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Same technique File Upload
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External POC / Exploit Code
Leaving vuln.today
EUVD-2026-72254
GHSA-fgh6-ch3f-2p3c