CVE-2022-43516 json
Zabbix Agent installer adds “allow all TCP any any” firewall rule
published 2022-12-05 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-46514
- cvss
- 6.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
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)
Patch / fix
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- 18 mo ago
Exploit prediction
1.00% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- support.zabbix.com https://support.zabbix.com/browse/ZBX-22002 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Zabbix Zabbix agent (MSI packages)
- Zabbix Zabbix agent 2 (MSI packages)
Classification
- Weakness
-
- CWE-16 Configuration
References
-
support.zabbix.com
/browse/ZBX-22002
exploit, patch, vendor-advisory
Sources
- CVE List CVE-2022-43516
- NVD CVE-2022-43516
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