CVE-2025-5277

CRITICAL

Published May 28, 2025 Modified Apr 15, 2026 CWE-78

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.

CVSS v3.1 Score

9.6

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

References

Other References

https://github.com/alexei-led/aws-mcp-server/blob/94d20ae1798a43ac7e3a28e71900d774e5159c8a/src/aws_mcp_server/cli_executor.py#L92 https://github.com/alexei-led/aws-mcp-server/commit/94d20ae1798a43ac7e3a28e71900d774e5159c8a

Frequently Asked Questions

What is CVE-2025-5277? +

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. It has a CVSS v3.1 base score of 9.6 (CRITICAL).

How severe is CVE-2025-5277? +

CVE-2025-5277 has a CVSS v3.1 score of 9.6 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

How do I check if I'm vulnerable to CVE-2025-5277? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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Quick Facts

CVSS Score: 9.6
Severity: CRITICAL
Published: May 28, 2025

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