HIGH
In blynk-server in Blynk before 0.39.7, Directory Traversal exists via a ../ in a URI that has /static or /static/js at the beginning, as demonstrated by reading the /etc/passwd file
Published Sep 30, 2018
7.5
HIGHCVSS 3.0
EPSS 2.12%
Description
In blynk-server in Blynk before 0.39.7, Directory Traversal exists via a ../ in a URI that has /static or /static/js at the beginning, as demonstrated by reading the /etc/passwd file.
Affected products
No data.
- < 0.39.7
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact None
Availability Impact None
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:P/I:N/A:N
Access Vector Network
Access Complexity Low
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.
2.12% 0.02122
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 3, 2026.
EPSS probability 0.02122
Score over time
2021–2026- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Percentile over time
- EPSS v1
- EPSS v2
- EPSS v3
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 3, 2026 | 2.12% (0.02122) | 81.24th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.12% (0.02122) | 79.42th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.25% (0.00254) | 65.70th | v3 (v2023.03.01) |
| Apr 25, 2024 | 0.25% (0.00254) | 64.92th | v3 (v2023.03.01) |
| Mar 15, 2024 | 0.18% (0.00180) | 54.24th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.16% (0.00164) | 51.79th | v3 (v2023.03.01) |
| Jul 8, 2023 | 0.33% (0.00334) | 67.22th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.29% (0.00286) | 63.82th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 0.62% (0.00624) | 17.80th | v1 |
| Jan 6, 2022 | 0.62% (0.00624) | 17.24th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (1)
References (4)
- https://github.com/advisories/GHSA-4r64-wf76-c53p Advisory
- https://github.com/blynkkk/blynk-server/issues/1256 x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory
- https://github.com/blynkkk/blynk-server/releases/tag/v0.39.7 x_refsource_CONFIRMVendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2018-17785
| Link | Providers | Tags |
|---|---|---|
| https://github.com/advisories/GHSA-4r64-wf76-c53p | Advisory | |
| https://github.com/blynkkk/blynk-server/issues/1256 | x_refsource_CONFIRMExploitIssue TrackingThird Party Advisory | |
| https://github.com/blynkkk/blynk-server/releases/tag/v0.39.7 | x_refsource_CONFIRMVendor Advisory | |
| https://nvd.nist.gov/vuln/detail/CVE-2018-17785 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Sep 30, 2018
Updated Sep 16, 2024
Reserved Sep 30, 2018
Link CVE-2018-17785
CISA Vulnrichment
GHSA-4R64-WF76-C53P Updated n/a