#VU101269 Improper authentication in Zabbix - CVE-2024-36466

Vulnerability identifier: #VU101269

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2024-36466

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Zabbix
Server applications / Remote management servers, RDP, SSH

Vendor: Zabbix

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error while processing authentication cookies when SSO is enabled. A remote non-authenticated attacker can forge a zbx_session cookie and gain administrative privileges within the application.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zabbix: 6.0.0 rc1 - 6.0.31, 6.2.0 rc1 - 6.2.9, 6.4.0 rc1 - 6.4.16, 7.0.0 alpha1 - 7.0.0

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External links
https://support.zabbix.com/browse/ZBX-25635

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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.