MEDIUM
Directory traversal vulnerability in H2O before 1.4.5 and 1.5.x before 1.5.0-beta2, when the file.dir directive is enabled, allows remote attackers to read arbitrary files via a crafted URL
Published Sep 20, 2015
4.3
MEDIUMCVSS 2.0
EPSS 1.65%
Description
Directory traversal vulnerability in H2O before 1.4.5 and 1.5.x before 1.5.0-beta2, when the file.dir directive is enabled, allows remote attackers to read arbitrary files via a crafted URL.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact None
Availability Impact None
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
1.65% 0.01655
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.01655
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.65% (0.01655) | 75.72th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.65% (0.01655) | 73.45th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.24% (0.00242) | 45.53th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.33% (0.00328) | 71.78th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.33% (0.00328) | 70.12th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.33% (0.00328) | 66.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.14% (0.01136) | 59.45th | v2 (v2022.01.01) |
| Oct 18, 2022 | 1.14% (0.01136) | 58.28th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.14% (0.01136) | 56.27th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.14% (0.01136) | 34.23th | v2 (v2022.01.01) |
Weaknesses (1)
References (3)
- http://jvn.jp/en/jp/JVN65602714/index.html third-party-advisoryx_refsource_JVNVendor Advisory
- http://jvndb.jvn.jp/jvndb/JVNDB-2015-000136 third-party-advisoryx_refsource_JVNDBVendor Advisory
- https://h2o.examp1e.net/vulnerabilities.html#CVE-2015-5638 x_refsource_CONFIRMVendor Advisory
| Link | Providers | Tags |
|---|---|---|
| http://jvn.jp/en/jp/JVN65602714/index.html | third-party-advisoryx_refsource_JVNVendor Advisory | |
| http://jvndb.jvn.jp/jvndb/JVNDB-2015-000136 | third-party-advisoryx_refsource_JVNDBVendor Advisory | |
| https://h2o.examp1e.net/vulnerabilities.html#CVE-2015-5638 | x_refsource_CONFIRMVendor Advisory |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner jpcert
Published Sep 20, 2015
Updated Aug 6, 2024
Reserved Jul 24, 2015
Link CVE-2015-5638
CISA Vulnrichment
Updated n/a