CVE-2019-12148: Sangoma Session Border Controller Firmware

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

The Sangoma Session Border Controller (SBC) 2.3.23-119 GA web interface is vulnerable to an authentication bypass via an argument injection vulnerability involving special characters in the username field. Upon successful exploitation, a remote unauthenticated user can login into the device's admin web portal without providing any credentials. This affects /var/webconfig/gui/Webconfig.inc.php.

Affected products

• Sangoma Session Border Controller Firmware: version 2.3.23-119-ga only

Published 2019-10-22. Last modified 2026-06-17.