What’s Vulnerable › Vulnerabilities

CVE-2023-32723: Inefficient permission check in class CControllerAuthenticationUpdate

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-10-12 · updated 2026-06-17
• Weakness: CWE-732

Description

Request to LDAP is sent before user permissions are checked.

Affected products

• Zabbix: from 4.0.0 before 4.0.19; from 4.4.0 before 4.4.7; 4.0.19-rc1, 4.4.7-rc1, 5.0.0-alpha3 — fixed in 4.0.19, 4.4.7

How to fix

Upgrade to a fixed version: Zabbix 4.0.19, 4.4.7. Check the vendor advisory for mitigations.

References

• https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html
• https://support.zabbix.com/browse/ZBX-23230
• https://lists.debian.org/debian-lts-announce/2024/01/msg00012.html
• https://support.zabbix.com/browse/ZBX-23230

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