Description
Zabbix allows to configure SMS notifications. AT command injection occurs on "Zabbix Server" because there is no validation of "Number" field on Web nor on Zabbix server side. Attacker can run test of SMS providing specially crafted phone number and execute additional AT commands on modem.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Zabbix | Zabbix | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | zabbix | 1:7.0.0+dfsg-1 | — |
| Debian 13 | zabbix | 1:7.0.0+dfsg-1 | — |
| Debian 12 | zabbix | No fix yet | — |
| Debian 11 | zabbix | 1:5.0.44+dfsg-1+deb11u1 | DLA-3909-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | zabbix | No fix yet | — |
| Ubuntu 26.04 LTS | zabbix | No fix yet | — |
| Ubuntu 25.10 | zabbix | No fix yet | — |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 20.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 18.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 16.04 LTS | zabbix | No fix yet | — |
| Ubuntu Pro 14.04 LTS | zabbix | No fix yet | — |
Advisories 2
- DLA-3909-1 zabbix - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2024-1811 Zabbix: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 1, 2024