#VU101976 Missing Authorization in Apache Nifi - CVE-2024-56512

Vulnerability identifier: #VU101976

Vulnerability risk: Low

CVSSv4.0: 2.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2024-56512

CWE-ID: CWE-862

Exploitation vector: Network

Exploit availability: Yes

Vulnerable software:
Apache Nifi
Server applications / Database software

Vendor: Apache Foundation

Description

The vulnerability allows a remote user to bypass certain security restrictions.

The vulnerability exists due to missing authorization checks for parameters context when creating process groups. A remote authenticated user with privileges to create process groups can bypass authorization checks by not referencing parameter values and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Apache Nifi: 1.10.0 - 2.0.0

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External links
https://lists.apache.org/thread/skjxd4899mhvytq9lpvrlwhprt09c2dd

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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.