CVE-2022-23131
Zabbix Frontend Authentication Bypass Vulnerability
Zabbix Frontend
CVSS
9.1CriticalExploit odds (EPSS)95.7%Chance of exploitation activity in the next 30 days, higher than 99% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version yet
CISA required actionApply updates per vendor instructions. CISA KEV
What fixes it
No source in this snapshot names a fixed version.
Timeline
Public exploit code and templates 1
- Scanner templateZabbix - SAML SSO Authentication BypassNuclei
Listed so defenders can prioritize. Threatline links to the source and does not host exploit code.
Description
Unsafe client-side session storage leading to authentication bypass/instance takeover via Zabbix Frontend with configured SAML.
Text from CVE List
Affected versions 2
- Frontendaffected: 5.4.0 - 5.4.8CVE List
- Frontendunaffected: 5.4.9 before 5.4.9*CVE List