CVE-2018-3712 Directory Traversal in serve

MediumCVSS 6.5 EPSS 1.8%

Published: 2018-06-07 05:00
Updated: 2026-06-17 04:57
Exploit status: No public exploit known

Description

serve node module before 6.4.9 suffers from a Path Traversal vulnerability due to not handling %2e (.) and %2f (/) and allowing them in paths, which allows a malicious user to view the contents of any directory with known path.

Affected products

Product	Affected versions	Fixed in
npm serve(npm)	<= 6.4.8	No fix listed
zeit serve	< 6.4.9	6.4.9
HackerOne serve node module	= Versions before 6.4.9	No fix listed

References

nvd.nist.gov third-party-advisory
hackerone.com exploit technical-description
github.com patch vendor-advisory
github.com patch
github.com

CVSS v3.0

6.5 Medium

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Attack Vector: Network
Attack Complexity: Low
Privileges Required: Low
User Interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: None
Availability: None

All scores (3)

v3.0 6.5 · nvd@nist.gov
v3.0 6.5 · github
v2.0 4.0 · nvd@nist.gov

Weakness & likelihood

EPSS (exploitation probability, 30 days): 1.79% (percentile 78.7)
CWE: CWE-22 Improper Limitation of a Pathname to a Restricted Directory

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

No public exploit references known.