SB2024120533 - Authentication bypass in Zabbix with enabled SSO



SB2024120533 - Authentication bypass in Zabbix with enabled SSO

Published: December 5, 2024

Security Bulletin ID SB2024120533
CSH Severity
High
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper authentication (CVE-ID: CVE-2024-36466)

CWE-ID: CWE-287 - Improper Authentication

CVSSv4: 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


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.


Remediation

Install update from vendor's website.