CVE-2018-3809 json
Information Exposure on Case Insensitive File Systems in serve
published 2018-06-01 8 y ago modified 2026-06-17 4 mo ago also GHSA-686g-3xr3-x4x6 , EUVD-2018-0232
- cvss
- 5.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 63%
- public exploits
- 0
- none known
Summary
Information exposure through directory listings in serve 6.5.3 allows directory listing and file access even when they have been set to be ignored.
Patch / fix
- npm serve 7.0.0
Exploit prediction
1.03% chance of exploitation in the next 30 days, higher than 63% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- hackerone.com https://hackerone.com/reports/330650 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.0 | 5.3 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| npm | serve | <7.0.0 |
7.0.0 |
Classification
- Weakness
-
- CWE-200 Exposure of Sensitive Information to an Unauthorized Actor
References
-
hackerone.com
/reports/330650
web, exploit, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2018-3809
advisory
-
github.com
/advisories/GHSA-686g-3xr3-x4x6
advisory
-
npmjs.com
/advisories/672
web
Sources
- CVE List CVE-2018-3809
- GitHub Advisory GHSA-686g-3xr3-x4x6
- NVD CVE-2018-3809
Fencer Vulns 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.