Path Traversal in Blynk Blynk-Server
CVE-2018-17785
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.
Vulnerability class: Path Traversal (Directory Traversal)
EPSS: 0.021 (80.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Blynk Blynk-server
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Exploit, Third Party Advisory, Issue Tracking)
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2018-17785?
- CVE-2018-17785 is a high-severity vulnerability in Blynk Blynk-Server, classified under Path Traversal. CVSS score: 7.5/10. Published 2018-09-30.
- How severe is CVE-2018-17785?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-17785 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.