CVE-2025-5277 Command injection in aws-mcp-server
An attacker can execute arbitrary commands on the host system by crafting a malicious prompt accessed by the MCP client.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-5277?
CVE-2025-5277 is a critical command injection vulnerability in alexei-led aws-mcp-server, published on 28 May 2025. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
aws-mcp-server MCP server is vulnerable to command injection. An attacker can craft a prompt that once accessed by the MCP client will run arbitrary commands on the host system.
Weakness: CWE-78
Which versions are affected by CVE-2025-5277?
How do I fix CVE-2025-5277?
No fix has been published for CVE-2025-5277 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-5277 being exploited?
There is no known exploitation of CVE-2025-5277 in the wild and no public exploit code.