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CVE-2022-43516
Zabbix Agent installer adds “allow all TCP any any” firewall rule
Medium6.5EPSS 1.00%
- Published
- Updated
- Reserved
- Assigned by
- Zabbix
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)
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| ZabbixCNA (assigner) | 3.1 | Medium6.5 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 1.00% · top 37% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: poc · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
Zabbix · Zabbix agent (MSI packages)
- affected Oct. 29, 2022 - Dec 2, 2022
- unaffected Dec 3, 2022 – < unspecified
Zabbix · Zabbix agent 2 (MSI packages)
- affected Oct. 29, 2022 - Dec 2, 2022
- unaffected Dec 3, 2022 – < unspecified
What to do
Solution: To remediate this vulnerability, apply the updates listed in the 'Unaffected' section to appropriate products or use the workaround
Workaround: If an immediate update is not possible, change the applied local firewall rule to allow the agent port only.
References (1)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2022-43516)Record last updated .