{"id":35240,"date":"2025-05-06T04:19:53","date_gmt":"2025-05-06T04:19:53","guid":{"rendered":""},"modified":"2025-07-06T23:19:16","modified_gmt":"2025-07-07T05:19:16","slug":"cve-2025-32444-remote-code-execution-vulnerability-in-vllm-integration-with-mooncake","status":"publish","type":"post","link":"https:\/\/www.ameeba.com\/blog\/cve-2025-32444-remote-code-execution-vulnerability-in-vllm-integration-with-mooncake\/","title":{"rendered":"CVE-2025-32444: Remote Code Execution Vulnerability in vLLM Integration with Mooncake<\/strong>"},"content":{"rendered":"

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

In this blog post, we will be delving into the details of the critical vulnerability, CVE-2025-32444, which affects vLLM, a high-throughput and memory-efficient inference and serving engine for LLMs. The vulnerability is specifically present in versions starting from 0.6.5 and prior to 0.8.5 that have vLLM integration with mooncake. The vulnerability is severe due to its potential for remote code<\/a> execution through an unsecured ZeroMQ socket, which can lead to system compromise or data leakage. The importance of understanding this vulnerability lies in its wide impact and high severity<\/a>, underscoring the critical need for immediate mitigation measures.<\/p>\n

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

CVE ID: CVE-2025-32444
\nSeverity: Critical (CVSS Score 10.0)
\nAttack Vector: Network
\nPrivileges Required: None
\nUser Interaction: None
\nImpact: Remote Code Execution<\/a> leading to potential system compromise or data leakage<\/p>\n

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

Product | Affected Versions<\/p>\n

vLLM with Mooncake Integration | 0.6.5 to 0.8.4<\/p>\n

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

The exploit leverages the pickle-based serialization used over unsecured ZeroMQ sockets in vLLM when integrated with Mooncake. The vulnerable sockets are set to listen<\/a> on all network interfaces, which increases the likelihood of an attacker reaching the vulnerable ZeroMQ sockets to carry out an attack. An attacker could craft malicious pickle objects, send them to the listening socket, and achieve arbitrary code execution<\/a> on the targeted system.<\/p>\n

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

Below is a conceptual example of how the vulnerability might be exploited<\/a>.<\/p>\n

import zmq\nimport pickle\n# Malicious payload\nclass Exploit(object):\ndef __reduce__(self):\nreturn (exec, ('import os; os.system(\"YOUR_MALICIOUS_COMMAND\")',))\n# ZeroMQ Context\ncontext = zmq.Context()\n# Define the socket using the \"Context\"\nsock = context.socket(zmq.REP)\nsock.bind(\"tcp:\/\/*:5555\") # All network interfaces\n# Send the payload\nsock.send(pickle.dumps(Exploit()))<\/code><\/pre>\n
In this example, the malicious payload is a pickle object that, when unpickled, executes a malicious command<\/a>. The payload is then sent over a ZeroMQ socket bound to listen on all network interfaces.<\/p>\n
Countermeasures<\/strong><\/p>\n
The most effective countermeasure against this vulnerability is to apply the vendor’s patch by updating<\/a> vLLM to version 0.8.5 or later. In cases where immediate patching is not possible, implementing a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can serve as a temporary mitigation strategy until the patch can be applied. However, these temporary measures might not completely protect against the vulnerability<\/a>, making the patch update the most recommended solution.<\/p>\n","protected":false},"excerpt":{"rendered":"
Overview In this blog post, we will be delving into the details of the critical vulnerability, CVE-2025-32444, which affects vLLM, a high-throughput and memory-efficient inference and serving engine for LLMs. The vulnerability is specifically present in versions starting from 0.6.5 and prior to 0.8.5 that have vLLM integration with mooncake. The vulnerability is severe due […]<\/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":[80],"asset_type":[],"severity":[],"exploit_status":[],"class_list":["post-35240","post","type-post","status-publish","format-standard","hentry","category-uncategorized","attack_vector-rce"],"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