Improper access control in Hazelcast

1) Improper access control

EUVDB-ID: #VU86859

Risk: Medium

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-45859

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote user to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions for certain client operations. A remote user can bypass implemented security restrictions and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Hazelcast: 4.1 - 5.3.2

CPE2.3

• cpe:2.3:a:hazelcast:hazelcast:4.1.10:*:*:*:*:*:*:*
• cpe:2.3:a:hazelcast:hazelcast:4.2021.06:*:*:*:*:*:*:*
• cpe:2.3:a:hazelcast:hazelcast:5.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:hazelcast:hazelcast:5.1.7:*:*:*:*:*:*:*
• cpe:2.3:a:hazelcast:hazelcast:5.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:hazelcast:hazelcast:5.3.2:*:*:*:*:*:*:*

External links

https://github.com/hazelcast/hazelcast/security/advisories/GHSA-xh6m-7cr7-xx66

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.