Improper access control in Hazelcast

1) Improper access control

EUVDB-ID: #VU85882

Risk: Medium

CVSSv4.0: 1.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-33265

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 within the Executor Services. A remote user can bypass implemented security restrictions and execute tasks on members without the required permissions granted.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Hazelcast: 5.0 - 5.2.3

CPE2.3

• cpe:2.3:a:hazelcast:hazelcast:5.0.4:*:*:*:*:*:*:*
• cpe:2.3:a:hazelcast:hazelcast:5.1.6:*:*:*:*:*:*:*
• cpe:2.3:a:hazelcast:hazelcast:5.2.3:*:*:*:*:*:*:*

External links

https://support.hazelcast.com/s/article/Security-Advisory-for-CVE-2023-33265
https://github.com/hazelcast/hazelcast/security/advisories/GHSA-c5vj-wp4v-mmvx

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.