CVE-2017-16877 in the critical feed json
Next.js Directory Traversal Vulnerability
published 2017-11-17 8 y ago modified 2026-06-17 4 mo ago also GHSA-3f5c-4qxj-vmpf , EUVD-2017-0358
- cvss
- 7.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 14.1%
- EPSS 14.1% chance of exploitation in 30 days, percentile 96%
- public exploits
- 0
- none known, plus a Nuclei check
Summary
ZEIT Next.js before 2.4.1 has directory traversal under the /_next and /static request namespace, allowing attackers to obtain sensitive information.
Patch / fix
- npm next 2.4.1
- zeit next.js 2.4.1
Exploit prediction
14.10% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- Nuclei template Nextjs <2.4.1 - Local File Inclusion nuclei detection template
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 | next | >=1.0.0, <2.4.1 |
2.4.1 |
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
- Technology feeds
References
-
github.com
/vercel/next.js/commit/02fe7cf63f6265d73bdaf8bc50a4f2fb539dcd00
web
-
github.com
/zeit/next.js/releases/tag/2.4.1
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2017-16877
advisory
-
github.com
/zeit/next.js
package
Sources
- CVE List CVE-2017-16877
- GitHub Advisory GHSA-3f5c-4qxj-vmpf
- NVD CVE-2017-16877
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.