Path Traversal vulnerability in onnx.external_data_helper.save_external_data in ONNX 1.17.0 allows attackers to overwrite arbitrary files by supplying crafted external_data.location paths containing traversal sequences, bypassing intended directory restrictions.
Conclusion & alert: CVE-2025-51480 is rated High Exploit Risk (65/100): CVSS High severity, with low exploitation likelihood (EPSS 0.55%). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.37% | 0.55% | +0.19% |
| 2 | 2026-05-18 | 0.08% | 0.37% | +0.28% |
| 3 | 2025-12-18 | — | 0.08% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| vendor | priority | summary | link |
|---|---|---|---|
ubuntu
|
medium | CVE-2025-51480 medium priority: Ubuntu including 1 source packages (onnx), 5 status rows across 5 suites (jammy, noble, plucky, questing, upstream): needs-triage 4, ignored 1. | https://ubuntu.com/security/CVE-2025-51480 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| linuxfoundation | onnx | 1.17.0 | cpe:2.3:a:linuxfoundation:onnx:1.17.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/advisories/GHSA-6rq9-53c3-f7vj | Not Applicable |
| https://github.com/onnx/onnx | Product |
| https://github.com/onnx/onnx/pull/6959 | Exploit Issue Tracking Patch Vendor Advisory |
| https://github.com/onnx/onnx/pull/7040 | Exploit Issue Tracking Patch Vendor Advisory |
| https://www.gecko.security/blog/cve-2025-51480 | Exploit Third Party Advisory |