Overview
The Common Vulnerabilities and Exposures (CVE) system has recently identified a high-severity vulnerability, CVE-2025-23268, affecting the NVIDIA Triton Inference Server. This server is widely used by many businesses and organizations for deploying AI models at scale in production environments. The vulnerability lies within the DALI backend of the server, leading to an improper input validation issue. If exploited, this vulnerability could lead to potential code execution, compromising systems or resulting in data leakage.
Vulnerability Summary
CVE ID: CVE-2025-23268
Severity: High (8.0)
Attack Vector: Network
Privileges Required: None
User Interaction: None
Impact: System compromise or data leakage
Affected Products
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Product | Affected Versions
NVIDIA Triton Inference Server | All prior to patch
How the Exploit Works
The exploit takes advantage of an improper input validation issue in the DALI backend of the NVIDIA Triton Inference Server. An attacker can send specially crafted inputs to the server that are not properly validated. This can trigger an unintended behavior in the server, potentially allowing the attacker to execute arbitrary code. This could result in the compromise of the server or even the wider system.
Conceptual Example Code
Here’s a conceptual example of how the vulnerability might be exploited. The example shows a malicious payload being sent to a vulnerable endpoint on the server:
POST /dali/endpoint HTTP/1.1
Host: target.example.com
Content-Type: application/json
{ "malicious_payload": "Exploit code here" }Please note that this is a hypothetical example and the actual code used to exploit the vulnerability would depend on several factors, including the specific configuration of the server and the objectives of the attacker.
Mitigation Measures
The best way to protect against this vulnerability is by applying a vendor patch, as soon as it becomes available, to the NVIDIA Triton Inference Server. This patch should address the input validation issue in the DALI backend, effectively closing off the vulnerability.
In the meantime, as a temporary mitigation measure, a Web Application Firewall (WAF) or Intrusion Detection System (IDS) can be used to monitor traffic and detect any attempt to exploit this vulnerability. Such systems can be configured to recognize the patterns of an attack exploiting this vulnerability, allowing them to block or alert on such traffic.
