What’s Vulnerable › Vulnerabilities

CVE-2017-16877

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 14.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2017-11-17 · updated 2026-06-17
• Weakness: CWE-22

Description

ZEIT Next.js before 2.4.1 has directory traversal under the /_next and /static request namespace, allowing attackers to obtain sensitive information.

Affected products

• zeit next.js: before 2.4.1 — fixed in 2.4.1

How to fix

Upgrade to a fixed version: zeit next.js 2.4.1. Check the vendor advisory for mitigations.

References

• https://github.com/vercel/next.js/commit/02fe7cf63f6265d73bdaf8bc50a4f2fb539dcd00
• https://github.com/zeit/next.js/releases/tag/2.4.1
• https://github.com/vercel/next.js/commit/02fe7cf63f6265d73bdaf8bc50a4f2fb539dcd00
• https://github.com/zeit/next.js/releases/tag/2.4.1

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