CVE-2023-54400 Fumeng Cloud SQL Injection via AjaxMethod.ashx getEmpByname
Unauthenticated attackers can inject SQL via the getEmpByname endpoint to read and modify database contents in Fumeng Cloud.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-54400?
CVE-2023-54400 is a critical SQL injection vulnerability in Fumasoft Fumeng Cloud, published on 29 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
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.
Weakness: CWE-89
Which versions are affected by CVE-2023-54400?
How do I fix CVE-2023-54400?
No fix has been published for CVE-2023-54400 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2023-54400 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-54400 exists.
Sources
Also known as GHSA-39vr-225p-6ccc.