#VU70507 Incorrect authorization in Zabbix - CVE-2022-43515

Vulnerability identifier: #VU70507

Vulnerability risk: Low

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-43515

CWE-ID: CWE-863

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 authorization process.

The vulnerability exists due to Zabbix Frontend relies on the X-Forwarded-For header during software maintenance. A remote attacker can use the X-Forwarded-For header to bypass implemented protection and gain access to the application frontend.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Zabbix: 4.0.0 rc1 - 4.0.44, 4.2.0 rc1 - 4.2.0, 4.4.0 rc1 - 4.4.10, 5.0.0 rc1 - 5.0.29, 5.2.0 - 5.2.7, 5.4.0 rc1 - 5.4.12, 6.0.0 rc1 - 6.0.10, 6.2.0 rc1 - 6.2.4

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External links
https://support.zabbix.com/browse/ZBX-22050

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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.