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CVE-2017-16093

21
FAUCET Score

CVE-2017-16093 describes a directory traversal vulnerability in cyber-js, a simple HTTP server, allowing an unauthenticated attacker to access arbitrary files on the server's filesystem by manipulating URLs with "../" sequences. This high-severity flaw (CVSS 7.5) requires no user interaction and has a significant impact on confidentiality. While no public exploits or active exploitation have been observed, and community discussion is minimal, the potential for unauthorized data access remains.

Impacted Technologies

VendorProductVersion(s)CPE
All Versions ImpactedCPE matchmatch criteria
cpe:2.3:a:cyber-js_project:cyber-js:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
2.00%
Probability of exploitation in next 30 days
EPSS Percentile
78.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0200 is in the 63rd percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

npmGHSA-6w83-22gj-5pv9high

Directory Traversal in cyber-js

Jul 27, 2018

References

github.com / JacksonGL/NPM-Vuln-PoC/tree/master/directory-traversal/cyber-js
ExploitThird Party Advisory
nodesecurity.io / advisories/347
ExploitThird Party Advisory