Vulnerability Description
Next.js is an open source website development framework to be used with the React library. In affected versions specially encoded paths could be used when pages/_error.js was statically generated allowing an open redirect to occur to an external site. In general, this redirect does not directly harm users although can allow for phishing attacks by redirecting to an attacker's domain from a trusted domain. We recommend everyone to upgrade regardless of whether you can reproduce the issue or not. The issue has been patched in release 11.1.0.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Vercel | Next.Js | >= 10.0.5, <= 10.2.0 |
Related Weaknesses (CWE)
References
- https://github.com/vercel/next.js/releases/tag/v11.1.0Release NotesThird Party Advisory
- https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9Third Party Advisory
- https://github.com/vercel/next.js/releases/tag/v11.1.0Release NotesThird Party Advisory
- https://github.com/vercel/next.js/security/advisories/GHSA-vxf5-wxwp-m7g9Third Party Advisory
FAQ
What is CVE-2021-37699?
CVE-2021-37699 is a vulnerability with a CVSS score of 6.9 (MEDIUM). Next.js is an open source website development framework to be used with the React library. In affected versions specially encoded paths could be used when pages/_error.js was statically generated allo...
How severe is CVE-2021-37699?
CVE-2021-37699 has been rated MEDIUM with a CVSS base score of 6.9/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-37699?
Check the references section above for vendor advisories and patch information. Affected products include: Vercel Next.Js.