Multiple actors are attempting to exploit MobileIron vulnerability CVE 2020-15505

In June 2020 MobileIron, a provider of mobile device management (MDM) systems, released security updates to address several vulnerabilities in their products. This included CVE-2020-15505, a remote code execution vulnerability, rated critical.

MDM systems allow system administrators to manage an organisation’s mobile devices from a central server, making them a valuable target for threat actors.

The NCSC is aware that Advanced Persistent Threat (APT) nation-state groups and cyber criminals are now actively attempting to exploit this vulnerability [T1190] to compromise the networks of UK organisations.

The Cybersecurity and Infrastructure Agency (CISA) in the US has also noted that APTs are exploiting this vulnerability in combination with the Netlogon/Zerologon vulnerability CVE-2020-1472 in a single intrusion.

This critical vulnerability affects MobileIron Core and Connector products and could allow a remote attacker to execute arbitrary code on a system. The MobileIron website lists the following versions as affected:

  • 10.3.0.3 and earlier
  • 10.4.0.0, 10.4.0.1, 10.4.0.2, 10.4.0.3, 10.5.1.0, 10.5.2.0 and 10.6.0.0
  • Sentry versions 9.7.2 and earlier
  • 9.8.0
  • Monitor and Reporting Database (RDB) version 2.0.0.1 and earlier

A proof of concept exploit became available in September 2020 and since then both hostile state actors and cybercriminals have attempted to exploit this vulnerability in the UK. These actors typically scan victim networks to identify vulnerabilities, including CVE-2020-15505, to be used during targeting (T1505.002). In some cases, when the latest updates are not installed, they have successfully compromised systems. The healthcare, local government, logistics and legal sectors have all been targeted but others could also be affected.

Jason Davies

UK based technology professional, with an interest in computer security and telecoms.

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