CVE-2022-43516

Zabbix Agent installer adds “allow all TCP any any” firewall rule

Published Dec 12, 2022 CVSS 3.1 · 6.5 Medium EPSS < 1% KEV · Not listed
Description
A Firewall Rule which allows all incoming TCP connections to all programs from any source and to all ports is created in Windows Firewall after Zabbix agent installation (MSI)

Remediation

Vendor Solution

To remediate this vulnerability, apply the updates listed in the 'Unaffected' section to appropriate products or use the workaround


Vendor Workaround

If an immediate update is not possible, change the applied local firewall rule to allow the agent port only.

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-46514 A Firewall Rule which allows all incoming TCP connections to all programs from any source and to all ports is created in Windows Firewall after Zabbix agent installation (MSI)
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Zabbix
Published
Updated
Apr 18, 2025, 6:09 PM
Reserved
Oct 19, 2022, 12:00 AM
Status
Modified
Published
Dec 5, 2022, 8:15 PM
Modified
Jun 17, 2026, 5:06 AM