{"id":48461,"date":"2025-06-03T17:06:17","date_gmt":"2025-06-03T17:06:17","guid":{"rendered":""},"modified":"2025-09-10T11:38:01","modified_gmt":"2025-09-10T17:38:01","slug":"cve-2025-5277-aws-mcp-server-command-injection-vulnerability","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-5277-aws-mcp-server-command-injection-vulnerability\/","title":{"rendered":"CVE-2025-5277: AWS-MCP-Server Command Injection Vulnerability<\/strong>"},"content":{"rendered":"

Overview<\/strong><\/p>\n

The CVE-2025-5277 vulnerability is a severe issue that affects the MCP server of aws-mcp-server. It poses a significant risk due to its ability to allow a potential attacker to execute arbitrary commands on the host system. This command injection vulnerability<\/a> can lead to system compromise or catastrophic data leakage, affecting businesses and organizations that utilize aws-mcp-server. Given the current widespread use of AWS services, the impact of this vulnerability<\/a> is far-reaching, warranting urgent attention and mitigation.<\/p>\n

Vulnerability Summary<\/strong><\/p>\n

CVE ID: CVE-2025-5277
\nSeverity: Critical (9.6\/10)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: Required
\nImpact: System compromise and potential data<\/a> leakage<\/p>\n

Affected Products<\/strong><\/p>\n

Product | Affected Versions<\/p>\n

aws-mcp-server | All versions prior<\/a> to patch<\/p>\n

How the Exploit Works<\/strong><\/p>\n

The exploit works by an attacker crafting a malicious prompt that, once accessed by the MCP client, will execute arbitrary<\/a> commands on the host system. This is a classic example of command injection, a type of application vulnerability that allows an attacker to manipulate an application’s data<\/a> to issue system-level instructions.<\/p>\n

Conceptual Example Code<\/strong><\/p>\n

A conceptual example of this exploit could be an attacker crafting a malicious HTTP request<\/a> that can be executed upon access. This could look something like the following:<\/p>\n

POST \/mcp-prompt\/execute HTTP\/1.1\nHost: target.example.com\nContent-Type: application\/json\n{ \"prompt\": \"; rm -rf \/;\" }<\/code><\/pre>\n
In the above example, the attacker crafted a JSON object with a `prompt` key, and the value is a malicious command `; rm -rf \/;` which will delete all files<\/a> on the server if executed.<\/p>\n
Mitigation<\/strong><\/p>\n
The most recommended mitigation for CVE-2025-5277 is to apply the patch provided by the vendor. Users of aws-mcp-server should update their systems to the latest version which includes a fix for this vulnerability<\/a>. If this is not possible, using a Web Application Firewall (WAF) or an Intrusion Detection System (IDS) can serve as a temporary mitigation. These systems can be configured to block or alert on traffic that appears to be attempting to exploit this vulnerability<\/a>.
\nHowever, these are just temporary measures and do not fully solve the problem. The ultimate solution is to patch the system and ensure it is up-to-date to prevent such command injection<\/a> vulnerabilities.<\/p>\n
Conclusion<\/strong><\/p>\n
In conclusion, given the high severity score and the potential impact of CVE-2025-5277, it is crucial for organizations and individuals using aws-mcp-server to take immediate action in mitigating this vulnerability<\/a>. By understanding how this exploit works and implementing the recommended mitigation strategies, the risk of system<\/a> compromise or data leakage can be significantly reduced. Regardless, it is always a good practice to keep all systems and applications updated to the latest versions and to regularly perform security assessments to uncover and address any potential vulnerabilities<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview The CVE-2025-5277 vulnerability is a severe issue that affects the MCP server of aws-mcp-server. It poses a significant risk due to its ability to allow a potential attacker to execute arbitrary commands on the host system. This command injection vulnerability can lead to system compromise or catastrophic data leakage, affecting businesses and organizations that […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[1],"tags":[],"vendor":[],"product":[],"attack_vector":[78],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-48461","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-injection"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t