CVE-2017-16877
CVE-2017-16877 is a high-severity vulnerability in Zeit Next.js with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 14% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-22.
Key facts
- Severity: High (CVSS 3.x base score 7.5)
- CVSS v2: 5.0
- EPSS exploit prediction: 14% (96th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-22
- Affected product: Zeit Next.js
- Published:
- Last modified:
Description
ZEIT Next.js before 2.4.1 has directory traversal under the /_next and /static request namespace, allowing attackers to obtain sensitive information.
Frequently asked questions
- What is CVE-2017-16877?
- ZEIT Next.js before 2.4.1 has directory traversal under the /_next and /static request namespace, allowing attackers to obtain sensitive information.
- How severe is CVE-2017-16877?
- CVE-2017-16877 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
- Is CVE-2017-16877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 14% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-16877?
- CVE-2017-16877 affects Zeit Next.js. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-16877?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2017-16877 published?
- CVE-2017-16877 was published on 2017-11-17 and last updated on 2026-06-17.
References
- https://github.com/vercel/next.js/commit/02fe7cf63f6265d73bdaf8bc50a4f2fb539dcd00
- https://github.com/zeit/next.js/releases/tag/2.4.1
Affected products (1)
- cpe:2.3:a:zeit:next.js:*:*:*:*:*:*:*:*
More vulnerabilities in Zeit Next.js
- CVE-2018-6184 — High (CVSS 7.5): ZEIT Next.js 4 before 4.2.3 has Directory Traversal under the /_next request namespace.
- CVE-2018-18282 — Medium (CVSS 6.1): Next.js 7.0.0 and 7.0.1 has XSS via the 404 or 500 /_error page.
- CVE-2020-5284 — Medium (CVSS 4.4): Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to…
All CVEs affecting Zeit Next.js →
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