RCE in NVIDIA Megatron-Lm
CVE-2025-23348
NVIDIA Megatron-LM for all platforms contains a vulnerability in the pretrain_gpt script, where malicious data created by an attacker may cause a code injection issue. A successful exploit of this vulnerability may lead to code execution, escalation of privileges, information disclosure, and data tampering.
Vulnerability class: RCE (Remote Code Execution)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (13.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 13th percentile — 13.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- NVIDIA Megatron-Lm — versions 0.13.0, All versions prior to 0.13.1 and 0.12.3
Weakness classification (CWE)
References
- nvd.nist.gov/vuln/detail/CVE-2025-23348 (Technical Description)
- www.cve.org/CVERecord (Technical Description)
- nvidia.custhelp.com/app/answers/detail/a_id/5698 (Vendor Advisory)
Frequently asked questions
- What is CVE-2025-23348?
- CVE-2025-23348 is a high-severity vulnerability in NVIDIA Megatron-Lm, classified under Code Injection. CVSS score: 7.8/10. Published 2025-09-24.
- How severe is CVE-2025-23348?
- High severity. CVSS v3 base score is 7.8 out of 10.