Vulnerability · Published Sep 29, 2026 · Assigned by VulnCheck

CVE-2023-54400Fumeng Cloud SQL Injection via AjaxMethod.ashx getEmpByname

Critical 9.8

In plain English

A critical-severity SQL injection in Fumeng Cloud from Fumasoft. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 48% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical

Exploit odds (30 days)0.6%top 51.7% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official description

Fumasoft Fumeng Cloud contains a SQL injection vulnerability in the AjaxMethod.ashx endpoint that allows unauthenticated remote attackers to inject arbitrary SQL through the Name parameter of the getEmpByname action without any authentication. Attackers can exploit UNION-based SQL injection techniques against the Microsoft SQL Server backend to extract, disclose, and modify database contents, with potential for further compromise of the underlying server. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18.

Affected products (as reported)

Vendor	Product	Versions
Fumasoft	Fumeng Cloud	*

Weakness: CWE-89 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Nuclei Template third-party-advisory
Goby PoC third-party-advisory
https://www.vulncheck.com/advisories/fumeng-cloud-sql-injection-via-ajaxmethod-ashx-getempbyname third-party-advisory