CVE-2025-63604

MEDIUM
MEDIUM Priority: 0.02 BB Relevance: 73/100
Published: 2025-11-18 Modified: 2026-11-05 First seen: 2026-11-05 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: Low
I: Low
A: None

Description

A code injection vulnerability exists in baryhuang/mcp-server-aws-resources-python 0.1.0 that allows remote code execution through insufficient input validation in the execute_query method. The vulnerability stems from the exposure of dangerous Python built-in functions (__import__, getattr, hasattr) in the execution namespace and the direct use of exec() to execute user-supplied code. An attacker can craft malicious queries to execute arbitrary Python code, leading to AWS credential theft (AWS_ACCESS_KEY_ID, AWS_SECRET_ACCESS_KEY), file system access, environment variable disclosure, and potential system compromise. The vulnerability allows attackers to bypass intended security controls and gain unauthorized access to sensitive AWS resources and credentials stored in the server's environment.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
baryhuang aws_resources_mcp_server 0.1.0

References & Advisories (1)

https://github.com/baryhuang/mcp-server-aws-resources-python/issues/8
Exploit Issue Tracking Third Party Advisory

Bug Bounty Relevance

73 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

6.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS — Exploitation Probability

0.38%
Raw Score 0.003750
Percentile 32.0%
Date 2026-11-13

EPSS Trend

2026-11-13
0.00375
2026-11-12
0.00375
2026-11-10
0.00375
2026-11-09
0.00375
2026-11-08
0.00375
2026-11-07
0.00375
2026-11-06
0.00375
2026-11-05
0.00375

Intelligence Sources

nvd ref →