The non-standalone 5G networks currently run by mobile operators are at risk of cyberattack due to well-documented vulnerabilities in industry standard protocols, but the migration to standalone infrastructure will bring its own set of security issues.

The stack of technologies that 5G uses could allow attacks aimed at operator networks as well as subscribers, launched from international roaming networks, operator networks or even partner networks providing access to services, Positive Technologies noted in a new report.

Positive researchers pointed to multiple potential vulnerabilities – like denial of service and traffic redirection – in the packet forwarding control protocol (PFCP) used for subscriber connections, as well as flaws in the HTTP/2 protocol that would allow attackers to obtain NF profiles and impersonate network services.

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