Security News > 2020 > June > New Mobile Internet Protocol Vulnerabilities Let Hackers Target 4G/5G Users

High impact vulnerabilities in modern communication protocol used by mobile network operators can be exploited to intercept user data and carry out impersonation, fraud, and denial of service attacks, cautions a newly published research.

The findings are part of a new Vulnerabilities in LTE and 5G Networks 2020 report published by London-based cybersecurity firm Positive Technologies last week.

Called the GPRS Tunnelling Protocol, the affected Internet Protocol-based communications standard defines a set of rules governing data traffic over 2G, 3G, and 4G networks.

"The GTP protocol contains a number of vulnerabilities threatening both mobile operators and their clients," the company said, "As a result, attackers can interfere with network equipment and leave an entire city without communications, impersonate users to access various resources, and use network services at the expense of the operator or subscribers."

"On all tested networks, it was possible to use mobile Internet at the expense of both other subscribers and the operator."

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