How severe is CVE-2025-51480?

CVE-2025-51480 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-51480 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-51480?

CVE-2025-51480 affects Linuxfoundation Onnx. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-51480?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-51480 have an EU (EUVD) identifier?

Yes. CVE-2025-51480 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22338.

When was CVE-2025-51480 published?

CVE-2025-51480 was published on 2025-07-22 and last updated on 2026-06-17.

CVE-2025-51480

CVE-2025-51480 is a high-severity vulnerability in Linuxfoundation Onnx with a CVSS 3.x base score of 8.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

Severity: High (CVSS 3.x base score 8.8)
EPSS exploit prediction: 1% (43rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-22338
Weakness: CWE-22
Affected product: Linuxfoundation Onnx
Published: 2025-07-22
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2025-51480?: 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.
How severe is CVE-2025-51480?: CVE-2025-51480 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-51480 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-51480?: CVE-2025-51480 affects Linuxfoundation Onnx. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-51480?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-51480 have an EU (EUVD) identifier?: Yes. CVE-2025-51480 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-22338.
When was CVE-2025-51480 published?: CVE-2025-51480 was published on 2025-07-22 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:linuxfoundation:onnx:1.17.0:*:*:*:*:*:*:*

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