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Home > Cybersecurity > F5 BIG-IP products are critically vulnerable

F5 BIG-IP products are critically vulnerable

F5 has published an advisory regarding the critical vulnerability of its BIG-IP products that allows complete takeover.

Rusen Gobel by Rusen Gobel
May 5, 2022
in Cybersecurity
2 min read
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The application security and multi-cloud management company F5 has issued a security advisory related to a bug found in BIG-IP products. The vulnerability can be tracked as CVE-2022-1388 and has a CVSS score of 9.8. The vulnerability is caused by the iControl REST component in BIG-IP.

Devices are deployed in critical environments

According to F5’s security advisory regarding the bug, an attacker can exploit it to completely take over the system. It will result in executing arbitrary system commands, performing file actions, and disabling BIG-IP services. The BIG-IP products are widely used in critical environments; even CISA had made a warning about the situation. You can see the affected and fixed versions below as well as the versions that will not be fixed at all:

  • BIG-IP 16.1.0 to 16.1.2 – fixed in 16.1.2.2
  • BIG-IP 15.1.0 to 15.1.5 – fixed in 15.1.5.1
  • BIG-IP 14.1.0 to 14.1.4 – fixed in 14.1.4.6
  • BIG-IP 13.1.0 to 13.1.4 – fixed in 13.1.5
  • BIG-IP 12.1.0 to 12.1.6 – will not be fixed
  • BIG-IP 11.6.1 to 11.6.5 – will not be fixed

The company has also provided mitigation methods for those who can’t apply the patches for some reason. You can see the mitigation methods and the link for the detailed explanations below:

  • Block iControl REST access through the self IP address
  • Block iControl REST access through the management interface
  • Modify the BIG-IP httpd configuration

Click here for the detailed instructions for the mitigation methods

There are approximately 16,000 BIG-IP devices deployed in enterprises which makes the bug very dangerous since it might be utilized for hackers’ initial access to the systems. Patching the BIG-IP devices immediately is strongly recommended.

See more Cyber Security News


Tags: F5 Networks
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Rusen Gobel

Rusen Gobel

Rusen Gobel is a news editor at Cloud7 News. With more than 10 years of experience, Rusen worked as a hardware and software news editor for technology sites such as Shiftdelete, Teknokolis, Hardware Plus, BT Haber. In addition, Rusen publishes consumer product reviews on his YouTube channel. While consumer electronics has been his main focus for years, now Rusen is more interested in WordPress and software development. He had contributed different web application projects in his professional career. Rusen had graduated from Istanbul University, department of Computer Engineering. Rusen has a very high passion for learning and writing for every kind of technology. That's why he has been working as a tech editor for more than ten years on several different technology magazines and online news portals.

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