Vulnerability identifier: #VU31397

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2017-16877

CWE-ID: CWE-22

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Next.js
Server applications / Frameworks for developing and running applications

Vendor: Zeit

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

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

Mitigation
Install update from vendor's website.

Vulnerable software versions

Next.js: 2.4.0

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External links
http://github.com/zeit/next.js/releases/tag/2.4.1

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.