#VU99267 Improper Authorization in Spring Security - CVE-2024-38821

Vulnerability identifier: #VU99267

Vulnerability risk: Medium

CVSSv4.0: 7.7 [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:P/U:Green]

CVE-ID: CVE-2024-38821

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Spring Security
Server applications / Frameworks for developing and running applications

Vendor: VMware, Inc

Description

The vulnerability allows a remote attacker to bypass authorization.

The vulnerability exists due to improper implementation of authorization checks when accessing static resources in WebFlux application. A remote non-authenticated attacker can bypass authorization process and gain unauthorized access to the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Spring Security: 5.6.11 - 5.6.12, 5.7.9 - 5.7.12, 5.8.3 - 5.8.14, 6.0.0 - 6.0.12, 6.1.0 - 6.1.10, 6.2.0 - 6.2.6, 6.3.0 - 6.3.3

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External links
https://spring.io/security/cve-2024-38821

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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. However, proof of concept for this vulnerability is available.