CVE-2018-17785
7.5 · HIGHOverview
CVE-2018-17785 is a high-severity vulnerability affecting blynk blynk-server. It was published on September 30, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical 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.
Remediation
Check the references section for vendor advisories and patches from blynk. Update blynk-server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| blynk | blynk-server | >= 0, < 0.39.7 | Affected |
Frequently Asked Questions
What is CVE-2018-17785?
CVE-2018-17785 is a high-severity vulnerability affecting blynk blynk-server. It was published on September 30, 2018 and has a CVSS 3.0 base score of 7.5 (HIGH).
How severe is CVE-2018-17785?
This vulnerability has a CVSS 3.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2018-17785?
Check the references section for vendor advisories and patches from blynk. Update blynk-server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2018-17785?
CyberStrike's AI-powered security agents can automatically detect CVE-2018-17785 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
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