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medium·Product Based Web Vulnerabilities·Updated Dec 16, 2023

CVE-2020-5284 Scanner

CVE-2020-5284 scanner - Directory Traversal vulnerability in Next.js

Est. Time~30 seconds
Scan TypeSingle Scan
Targetsurl
CostFree
0
Times Used
by S4E users
0
Assets Scanned
domains & IPs
0
Vulnerabilities Found
confirmed findings
References
CVECVE-2020-5284
4.4
CVSSmedium
Exploitable remotely over the internet · low-privilege account sufficient · user interaction needed.

Next.js versions before 9.3.2 have a directory traversal vulnerability. Attackers could craft special requests to access files in the dist directory (.next). This does not affect files outside of the dist directory (.next). In general, the dist directory only holds build assets unless your application intentionally stores other assets under this directory. This issue is fixed in version 9.3.2.

Attack Vector
Network
Privileges Req.
Low
User Interaction
Required
Affected
next.jsby zeit
< 9.3.2
Updated Aug 21, 2026View on NVD →
Detail

Next.js is a popular open-source framework used by developers for building server-side rendered React applications. It allows developers to create scalable applications easily without the need for complex configuration. Next.js offers features such as automatic code splitting, static site generation, and server-side rendering, making it an ideal choice for both small and large-scale applications.

However, a recent vulnerability, CVE-2020-5284, has been detected in Next.js versions before 9.3.2. This vulnerability allows attackers to craft special requests to access files in the dist directory. The dist directory (.next) typically contains build assets, but in some cases, it can also contain other assets. Attackers can exploit the vulnerability to gain unauthorized access to these files.

The exploitation of this vulnerability can lead to severe consequences for businesses and organizations. Attackers can use the information obtained from the files to compromise the security of the application or network. They can exfiltrate confidential data, install malware, or even take control of the application altogether. The result can be a complete compromise of the system.

At s4e.io, we offer a comprehensive platform that helps businesses and organizations protect their digital assets from vulnerabilities such as CVE-2020-5284. With our pro features, readers of this article can easily and quickly learn about vulnerabilities in their digital assets. Our platform provides real-time security alerts, vulnerability assessment reports, and advanced threat intelligence to help businesses stay ahead of cyber threats. Get in touch with us today to learn more about our platform and how we can help you protect your digital assets.

 

REFERENCES

Solution Advice

To protect against this vulnerability, developers can take several precautions, including:

  • Updating to the latest version of Next.js (9.3.2)
  • Avoiding the intentional storage of other assets under the dist directory
  • Implementing access controls to restrict unauthorized access to the files
  • Conducting regular vulnerability assessments and penetration testing
  • Enhancing network security by using firewalls, intrusion detection systems, and other security measures

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