CVE-2017-16155
Directory Traversal in fast-http-cli
fast-http-cli is the command line interface for fast-http, a simple web server. fast-http-cli is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
fast-http-cli is the command line interface for fast-http, a simple web server. fast-http-cli is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.
- Record
CVE-2017-16155- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
CVE List No score
fast-http-cli is the command line interface for fast-http, a simple web server. fast-http-cli is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.
- Record
CVE-2017-16155- Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2018-0253 No score
fast-http-cli is the command line interface for fast-http, a simple web server. fast-http-cli is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.
- Record
EUVD-2018-0253- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-9frq-f867-hgqc
Directory Traversal in fast-http-cli
fast-http-cli is the command line interface for fast-http, a simple web server.
fast-http-cli is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.
Example request:
GET /../../../../../../../../../../etc/passwd HTTP/1.1
host: localhost
and server Response:
HTTP/1.1 200 OK
Date: Thu, 04 May 2017 23:59:18 GMT
Connection: keep-alive
Transfer-Encoding: chunked
{contents of /etc/passwd}
Recommendation
No patch is available for this vulnerability.
It is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.
- Record
GHSA-9frq-f867-hgqc- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
OSVGHSA-9frq-f867-hgqc
Directory Traversal in fast-http-cli
fast-http-cli is the command line interface for fast-http, a simple web server.
fast-http-cli is vulnerable to a directory traversal issue, giving an attacker access to the filesystem by placing "../" in the url.
Example request:
GET /../../../../../../../../../../etc/passwd HTTP/1.1
host: localhost
and server Response:
HTTP/1.1 200 OK
Date: Thu, 04 May 2017 23:59:18 GMT
Connection: keep-alive
Transfer-Encoding: chunked
{contents of /etc/passwd}
Recommendation
No patch is available for this vulnerability.
It is recommended that the package is only used for local development, and if the functionality is needed for production, a different package is used instead.
- Record
GHSA-9frq-f867-hgqc- CVSS 3.0
- 7.5 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-22
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
fast-http-clinpm |
through 0.0.8 | None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-16155 is a high vulnerability (CVSS 7.5) in Fast-http-cli Project Fast-http-cli, published June 7, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.97%, the 80th percentile. No source names a fixed version.