CVE-2017-16145 Directory Traversal in sspa

HighCVSS 7.5 EPSS 2.0% PoC

Published: 2018-06-07 05:00
Updated: 2026-06-17 04:08
Exploit status: Proof-of-concept only

Description

sspa is a server dedicated to single-page apps. sspa is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.

Affected products

Product	Affected versions	Fixed in
npm sspa(npm)	<= 0.1.0	No fix listed
sspa project sspa	= 0.1.0	No fix listed
HackerOne sspa node module	= All versions	No fix listed

References

nvd.nist.gov third-party-advisory
github.com exploit third-party-advisory
github.com
www.npmjs.com
nodesecurity.io third-party-advisory

CVSS v3.0

7.5 High

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: High
Integrity: None
Availability: None

All scores (3)

v3.0 7.5 · nvd@nist.gov
v3.0 7.5 · github
v2.0 5.0 · nvd@nist.gov

Weakness & likelihood

EPSS (exploitation probability, 30 days): 1.97% (percentile 80.8)
CWE: CWE-22 Improper Limitation of a Pathname to a Restricted Directory

Public exploit references

Metadata only. CVERadar never hosts or runs exploit code.

Proof of concept: github.com/JacksonGL/NPM-Vuln-PoC/blob/master/directory-traversal/sspa PoC · GitHub public repositories · 2026-11-11