CVE-2017-16029
Directory Traversal in hostr
hostr is a simple web server that serves up the contents of the current directory. There is a directory traversal vulnerability in hostr 2.3.5 and earlier that allows an attacker to read files outside the current directory by sending ../ in the url path for GET requests.
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
hostr is a simple web server that serves up the contents of the current directory. There is a directory traversal vulnerability in hostr 2.3.5 and earlier that allows an attacker to read files outside the current directory by sending ../ in the url path for GET requests.
- Record
CVE-2017-16029- 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
hostr is a simple web server that serves up the contents of the current directory. There is a directory traversal vulnerability in hostr 2.3.5 and earlier that allows an attacker to read files outside the current directory by sending ../ in the url path for GET requests.
- Record
CVE-2017-16029- Weakness
- CWE-22
- Updated
- 2026-11-02
EUVDEUVD-2018-0789 No score
hostr is a simple web server that serves up the contents of the current directory. There is a directory traversal vulnerability in hostr 2.3.5 and earlier that allows an attacker to read files outside the current directory by sending ../ in the url path for GET requests.
- Record
EUVD-2018-0789- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-xqqr-p362-6rmc
Directory Traversal in hostr
Affected versions of hostr are vulnerable to directory traversal which allows attackers to read files outside the current directory by sending ../ in the url path for GET requests.
Recommendation
Upgrade to version 2.3.6 or later.
- Record
GHSA-xqqr-p362-6rmc- 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-xqqr-p362-6rmc
Directory Traversal in hostr
Affected versions of hostr are vulnerable to directory traversal which allows attackers to read files outside the current directory by sending ../ in the url path for GET requests.
Recommendation
Upgrade to version 2.3.6 or later.
- Record
GHSA-xqqr-p362-6rmc- 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
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-2017-16029 is a high vulnerability (CVSS 7.5) in Hostr Project Hostr, published June 4, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.80%, the 78th percentile. Fixed in hostr 2.3.6.