Zabbix Frontend Authentication Bypass Vulnerability

Unsafe client-side session storage leading to authentication bypass/instance takeover via Zabbix Frontend with configured SAML.

cat cve-2022-23131.json

Vendor: Zabbix
Product: Frontend
CVSS: 9.1
EPSS (exploit probability): 95.7%
Status: kev
CISA patch-by (BOD 22-01): March 8, 2022
Published: February 22, 2022
Source: https://nvd.nist.gov/vuln/detail/CVE-2022-23131

Unsafe client-side session storage leading to authentication bypass/instance takeover via Zabbix Frontend with configured SAML.

Added to CISA’s Known Exploited Vulnerabilities catalog on 2022-02-22. Required action per CISA: Apply updates per vendor instructions. Due date: 2022-03-08.

This is an auto-synced KEV catalog record pending a full 0dayNews write-up — see CISA’s KEV catalog and the NVD record linked above for primary sources.