Threat actors are targeting VoIP servers by exploiting a vulnerability in Digium’s software to install a web shell, Palo Alto Networks warns. Recently, Unit 42 researchers spotted a campaign targeting the Elastix system used in Digium phones since December 2021. Threat actors exploited a vulnerability, tracked as CVE-2021-45461 (CVSS score 9.8), in the Rest Phone Apps (restapps) module to implant […]