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CRITICAL

CVE-2025-5277

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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