How severe is CVE-2015-3203?

CVE-2015-3203 has a CVSS 2.0 base score of 7.5, rated high severity.

Is CVE-2015-3203 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2015-3203?

CVE-2015-3203 affects H5ai Project H5ai. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2015-3203?

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.

When was CVE-2015-3203 published?

CVE-2015-3203 was published on 2015-09-28 and last updated on 2026-06-17.

CVE-2015-3203

CVE-2015-3203 is a high-severity vulnerability in H5ai Project H5ai with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 2.0 base score 7.5)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: H5ai Project H5ai
Published: 2015-09-28
Last modified: 2026-06-17

Description

Unrestricted file upload vulnerability in h5ai before 0.25.0 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in the directory specified by the href parameter.

Frequently asked questions

What is CVE-2015-3203?: Unrestricted file upload vulnerability in h5ai before 0.25.0 allows remote attackers to execute arbitrary code by uploading a file with an executable extension, then accessing it via a direct request to the file in the directory specified by the href parameter.
How severe is CVE-2015-3203?: CVE-2015-3203 has a CVSS 2.0 base score of 7.5, rated high severity.
Is CVE-2015-3203 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2015-3203?: CVE-2015-3203 affects H5ai Project H5ai. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2015-3203?: 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.
When was CVE-2015-3203 published?: CVE-2015-3203 was published on 2015-09-28 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:h5ai_project:h5ai:*:*:*:*:*:*:*:*