[ CVE-2022-23134 · Published 13 Jan 2022 ]

Zabbix Frontend Improper Access Control Vulnerability

Exploited · CISA KEV CVSS 5.3 EPSS 95%Fix available

[ Why it matters ]Priority signals

  • Exploited in the wild: on CISA's Known Exploited Vulnerabilities list since 2022-02-22
  • EPSS: 95% chance of exploitation in the next 30 days (higher than 100% of CVEs)

[ Description ]Official description

After the initial setup process, some steps of setup.php file are reachable not only by super-administrators, but by unauthenticated users as well. Malicious actor can pass step checks and potentially change the configuration of Zabbix Frontend.

CISA: Malicious actors can pass step checks and potentially change the configuration of Zabbix Frontend.

[ Fixes ]Fixes and patches

CISA required action (US federal deadline 8 Mar 2022): Apply updates per vendor instructions.