CVE-2025-23251: RCE in NVIDIA NeMo Framework

Successful exploitation of CVE-2025-23251 could grant an attacker complete control over a system running the vulnerable NVIDIA NeMo Framework. This includes the ability to execute arbitrary commands, install malware, steal sensitive data, and potentially pivot to other systems on the network. The impact is particularly severe because the vulnerability allows for remote code execution, meaning an attacker doesn't need local access to exploit it. The ability to tamper with data further amplifies the potential damage, as attackers could modify training datasets or model outputs to achieve malicious goals. While specific real-world exploitation patterns are not yet known, the RCE nature of the vulnerability makes it a high-priority target for attackers.

1. Reserved2025-01-14
2. Published2025-04-22
3. Modified2026-02-26
4. EPSS updated2026-03-23

The primary mitigation for CVE-2025-23251 is to upgrade to NVIDIA NeMo Framework version 25.02 or later. If an immediate upgrade is not feasible, consider implementing strict input validation and sanitization to prevent malicious code from being injected into the code generation process. While a WAF or proxy cannot directly prevent this vulnerability, they can be configured to monitor for suspicious code generation patterns. There are no specific Sigma or YARA rules available at this time, but monitoring system logs for unusual process executions related to NeMo Framework is recommended. After upgrading, confirm the fix by attempting to trigger the vulnerable code generation path and verifying that it no longer executes arbitrary code.