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CVE-2018-3787

25
FAUCET Score

CVE-2018-3787 is a path traversal vulnerability affecting simplehttpserver versions prior to 0.2.1, allowing an unauthenticated attacker to list arbitrary files on the server. With a CVSS score of 7.5 (High), this vulnerability is easily exploitable over the network without user interaction, potentially leading to unauthorized disclosure of sensitive information. Despite its high severity, there is no evidence of active exploitation, nor are there publicly available exploit modules or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.2.1CPE matchmatch criteria
cpe:2.3:a:simplehttpserver_project:simplehttpserver:*:*:*:*:*:node.js:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

CVSS:3.1/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
3.1

Exploit Intelligence

EPSS Score
2.04%
Probability of exploitation in next 30 days
EPSS Percentile
79.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0204 is in the 63rd percentile among its peer group of 51,466 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

Patch Available

Vendor Patches (1)

npmpatch availablevia ghsa
Product: simplehttpserverFixed in: 0.2.1

Vendor Advisories (1)

npmGHSA-gpvj-q7fp-jcchhigh

simplehttpserver allows directory traversal and file listing

Sep 6, 2018

References

hackerone.com / reports/357109
ExploitThird Party Advisory