Privilege escalation in Zabbix

1) Missing authorization

EUVDB-ID: #VU101284

Risk: Medium

CVSSv4.0: 4.9 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2024-36467

CWE-ID: CWE-862 - Missing Authorization

Exploit availability: No

Description

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to missing authorization checks within the API. A remote user with access to the user.update API endpoint can assign an administrative group to their account and escalate privileges within the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Zabbix: 5.0.0 rc1 - 7.0.1

CPE2.3

• cpe:2.3:a:zabbix:zabbix:5.0.42:*:*:*:*:*:*:*
• cpe:2.3:a:zabbix:zabbix:5.2.7:*:*:*:*:*:*:*
• cpe:2.3:a:zabbix:zabbix:5.4.12:*:*:*:*:*:*:*
• cpe:2.3:a:zabbix:zabbix:6.0.32:*:*:*:*:*:*:*
• cpe:2.3:a:zabbix:zabbix:6.2.9:*:*:*:*:*:*:*
• cpe:2.3:a:zabbix:zabbix:6.4.17:*:*:*:*:*:*:*
• cpe:2.3:a:zabbix:zabbix:7.0.1:*:*:*:*:*:*:*

External links

https://support.zabbix.com/browse/ZBX-25614

Q & A

Can this vulnerability be exploited remotely?

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

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.