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CVE-2025-23334: CWE-125 Out-of-bounds Read in NVIDIA Triton Inference Server

Medium
VulnerabilityCVE-2025-23334cvecve-2025-23334cwe-125
Published: Wed Aug 06 2025 (08/06/2025, 12:43:24 UTC)
Source: CVE Database V5
Vendor/Project: NVIDIA
Product: Triton Inference Server

Description

NVIDIA Triton Inference Server for Windows and Linux contains a vulnerability in the Python backend, where an attacker could cause an out-of-bounds read by sending a request. A successful exploit of this vulnerability might lead to information disclosure.

AI-Powered Analysis

AILast updated: 08/06/2025, 13:19:43 UTC

Technical Analysis

CVE-2025-23334 is a medium-severity vulnerability identified in NVIDIA's Triton Inference Server, specifically affecting the Python backend component on both Windows and Linux platforms. The vulnerability is categorized as a CWE-125: Out-of-bounds Read, which occurs when the software reads data outside the bounds of allocated memory. In this case, an attacker can trigger this condition by sending a specially crafted request to the Triton Inference Server. Successful exploitation does not require authentication or user interaction, but the attack complexity is rated high due to the need for precise request crafting. The primary impact of this vulnerability is information disclosure, as the out-of-bounds read could allow an attacker to access sensitive memory contents that should not be accessible, potentially leaking confidential data processed or stored by the inference server. The vulnerability affects all versions of the Triton Inference Server prior to version 25.07, and as of the publication date, no known exploits have been observed in the wild. The CVSS v3.1 base score is 5.9, reflecting a medium severity level, with a vector indicating network attack vector (AV:N), high attack complexity (AC:H), no privileges required (PR:N), no user interaction (UI:N), unchanged scope (S:U), high confidentiality impact (C:H), no integrity impact (I:N), and no availability impact (A:N). This vulnerability is significant because Triton Inference Server is widely used in AI and machine learning deployments to serve models in production environments, often handling sensitive data. An attacker exploiting this flaw could potentially extract confidential information from memory, which might include proprietary model details, input data, or intermediate inference results, thereby compromising data confidentiality and intellectual property.

Potential Impact

For European organizations, the impact of CVE-2025-23334 could be substantial, especially for those leveraging NVIDIA Triton Inference Server in critical AI-driven applications such as healthcare diagnostics, financial modeling, autonomous systems, and industrial automation. The information disclosure could lead to leakage of sensitive personal data protected under GDPR, proprietary algorithms, or trade secrets, resulting in regulatory penalties, reputational damage, and competitive disadvantage. Since the vulnerability does not affect system integrity or availability, the immediate operational disruption risk is low; however, the confidentiality breach risk is significant. Organizations in sectors with high AI adoption and strict data privacy requirements are particularly vulnerable. Furthermore, the lack of known exploits in the wild suggests that proactive patching and mitigation can effectively prevent exploitation. However, the high attack complexity might limit exploitation to skilled threat actors, including advanced persistent threats (APTs) targeting valuable AI assets in Europe.

Mitigation Recommendations

To mitigate CVE-2025-23334, European organizations should prioritize upgrading the NVIDIA Triton Inference Server to version 25.07 or later, where the vulnerability is addressed. In the absence of an immediate patch, organizations should implement network-level controls to restrict access to the Triton server, limiting it to trusted internal networks and authenticated users only, thereby reducing exposure to remote attackers. Employing application-layer firewalls or intrusion detection systems capable of monitoring and blocking anomalous or malformed requests targeting the Python backend can further reduce risk. Additionally, organizations should conduct thorough audits of their AI inference deployments to identify any instances of Triton Inference Server and verify their version status. Implementing strict access controls and segmentation for AI infrastructure, combined with continuous monitoring for unusual memory access patterns or data exfiltration attempts, will enhance defense-in-depth. Finally, organizations should review and update their incident response plans to include scenarios involving AI inference server vulnerabilities and ensure relevant teams are aware of this specific threat.

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Technical Details

Data Version
5.1
Assigner Short Name
nvidia
Date Reserved
2025-01-14T01:07:19.940Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6893527aad5a09ad00f16583

Added to database: 8/6/2025, 1:02:50 PM

Last enriched: 8/6/2025, 1:19:43 PM

Last updated: 8/18/2025, 6:14:18 AM

Views: 24

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