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NCSC-TAD-2106-004

Severity Level: Critical
Vulnerability

Reference No.: NCSC-TAD-2106-004CVSS 0

BackdoorDiplomacy Attacks Diplomats in The Middle East & Africa

Threat Type:
N/A
TLP:
CLEAR
CVE:
CVE-2020-5902

Overview

A threat group known as BackdoorDiplomacy is targeting telecommunication industries and Ministries of Foreign Affairs in Africa and the Middle East by exploiting vulnerable internet-facing web servers. The group exploits CVE-2020-5902 in F5 and vulnerabilities in Microsoft Exchange server to deploy the China Chopper web shell and a custom backdoor called Turian. The attackers also use open-source tools to steal information from removable devices, take screenshots, and delete, write or move files.

Affected Technologies

  • Windows and Linux operating systems
  • F5 products
  • Microsoft Exchange server
  • Internet-facing web servers

Mitigation and Immediate Actions

  1. 01

    Immediately patch the vulnerabilities (CVE-2020-5902) by upgrading F5 products which are BIG-IP, BIG-IQ and Traffix SDC to the latest versions.

  2. 02

    Make sure that the Microsoft Exchange server is up to date.

References