#VU103116 Improper authorization in Next.js - CVE-2024-51479

Vulnerability identifier: #VU103116

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-51479

CWE-ID: CWE-285

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 attacker to gain access to sensitive information.

The vulnerability exists due to an error when handling authorization requests based on pathname. A remote attacker can bypass authorization and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Next.js: 14.0.0 - 14.0.4, 14.1.0 - 14.1.4, 14.2.0 - 14.2.14

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External links
https://github.com/vercel/next.js/releases/tag/v14.2.15
https://github.com/vercel/next.js/security/advisories/GHSA-7gfc-8cq8-jh5f

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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.