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

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HIGH

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

Published Sep 28, 2015

7.5

HIGH

CVSS 2.0

EPSS 9.44%

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.

Affected products

Remediation

No remediation recorded yet.

Metrics

9.44% 0.09437

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.09437

Score over time

2022–2026

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Percentile over time

EPSS v2
EPSS v3
EPSS v4
EPSS v5

Table of values (15 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	9.44% (0.09437)	95.27th	v5 (v2026.06.15)
Jun 15, 2026	9.44% (0.09437)	94.77th	v5 (v2026.06.15)
Mar 2, 2026	12.37% (0.12365)	93.77th	v4 (v2025.03.14)
Jun 20, 2025	11.28% (0.11275)	93.18th	v4 (v2025.03.14)
May 31, 2025	8.63% (0.08628)	91.96th	v4 (v2025.03.14)
May 5, 2025	9.90% (0.09902)	92.55th	v4 (v2025.03.14)
Mar 30, 2025	1.94% (0.01945)	81.81th	v4 (v2025.03.14)
Mar 29, 2025	4.74% (0.04737)	81.97th	v4 (v2025.03.14)
Mar 17, 2025	1.94% (0.01945)	82.23th	v4 (v2025.03.14)
Dec 17, 2024	1.77% (0.01773)	87.70th	v3 (v2023.03.01)
Oct 28, 2023	3.31% (0.03315)	90.25th	v3 (v2023.03.01)
Mar 7, 2023	4.62% (0.04622)	91.29th	v3 (v2023.03.01)
Mar 6, 2023	11.46% (0.11465)	95.05th	v2 (v2022.01.01)
Apr 1, 2022	11.46% (0.11465)	94.66th	v2 (v2022.01.01)
Feb 4, 2022	11.46% (0.11465)	88.78th	v2 (v2022.01.01)

Weaknesses (0)

No CWE recorded.

References (2)

https://larsjung.de/h5ai/cve-2015-3203.txt
x_refsource_CONFIRMVendor Advisory
https://www.exploit-db.com/exploits/38256/
exploitx_refsource_EXPLOIT-DB

Link	Providers	Tags
https://larsjung.de/h5ai/cve-2015-3203.txt		x_refsource_CONFIRMVendor Advisory
https://www.exploit-db.com/exploits/38256/		exploitx_refsource_EXPLOIT-DB

Change history (0)

No recorded changes yet.

Sources

CVE.org / MITRE

Status PUBLISHED

Assigner redhat

Published Sep 28, 2015

Updated Aug 6, 2024

Reserved Apr 10, 2015

Link CVE-2015-3203

CISA Vulnrichment

Updated n/a

NVD

Status Modified

Modified Jun 17, 2026

Link CVE-2015-3203

Red Hat

Severity n/a

Public date n/a

Links CVE-2015-3203