CISA and the Multi-State Information Sharing and Analysis Center (MS-ISAC) have released the joint Cybersecurity Advisory Threat Actors Exploiting F5 BIG-IP CVE-2022-1388 in response to active exploitation of CVE-2022-1388, which affects F5 Networks BIG-IP devices. The vulnerability allows an unauthenticated actor to gain control of affected systems via the management port or self-IP addresses.
CISA encourages users and administrators to review the joint advisory for detection methods and mitigations, which include updating F5 BIG-IP software, or, if unable to immediately update, applying temporary workarounds.