CVE-2022-23131 Information

Description

In the case of instances where the SAML SSO authentication is enabled (non-default) session data can be modified by a malicious actor because a user login stored in the session was not verified. Malicious unauthenticated actor may exploit this issue to escalate privileges and gain admin access to Zabbix Frontend. To perform the attack SAML authentication is required to be enabled and the actor has to know the username of Zabbix user (or use the guest account which is disabled by default).

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://support.zabbix.com/browse/ZBX-20350

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8