CVSS v3
9.6
CRITICAL
EPSS Score
1.0 %
exploit probability
CISA KEV
No
known exploited
Exploitation
none
SSVC status
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.
Technical details
- CVSS v3 Vector
- 3.1
- Published
- 2025-05-28
- Last Modified
- 2026-04-15
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.
Is CVE-2025-5277 actively exploited?
Active exploitation of CVE-2025-5277 has not been confirmed. The EPSS score is 1.0%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-5277?
CVE-2025-5277 has a CVSS v3 base score of 9.6 (CRITICAL severity), with vector string 3.1.
Is CVE-2025-5277 affecting your environment?
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