CVE-2024-22122: AT(GSM) Command Injection

Severity: critical (CVSS 9.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-08-12 · updated 2026-06-17
Weakness: CWE-77

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

Zabbix: from 5.0.0 through 5.0.42; from 6.0.0 through 6.0.30; from 6.4.0 through 6.4.15; 7.0.0-alpha1, 7.0.0-alpha2, 7.0.0-alpha3, 7.0.0-alpha4, 7.0.0-alpha5, 7.0.0-alpha6 (+8)

References

https://support.zabbix.com/browse/ZBX-25012
https://lists.debian.org/debian-lts-announce/2024/10/msg00000.html

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