CVE-2017-16029 json
Directory Traversal in hostr
published 2018-06-04 8 y ago modified 2026-06-17 4 mo ago also GHSA-xqqr-p362-6rmc , EUVD-2018-0789
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.8%
- EPSS 1.8% chance of exploitation in 30 days, percentile 78%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- npm hostr 2.3.6
Exploit prediction
1.80% chance of exploitation in the next 30 days, higher than 78% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | hostr | <2.3.6 |
2.3.6 |
Affected products
- HackerOne hostr node module
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
References
-
github.com
/henrytseng/hostr/issues/8
web, issue-tracking, third-party-advisory
-
nodesecurity.io
/advisories/303
third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-16029
advisory
-
github.com
/henrytseng/hostr/issues/8)
web
-
github.com
/advisories/GHSA-xqqr-p362-6rmc
advisory
-
npmjs.com
/advisories/303
web
Sources
- CVE List CVE-2017-16029
- GitHub Advisory GHSA-xqqr-p362-6rmc
- NVD CVE-2017-16029
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.