Missing authentication for critical function in BIG-IQ Centralized Management - CVE-2021-22995
Published: March 11, 2021
Vulnerability identifier: #VU51396
CSH Severity: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2021-22995
CWE-ID: CWE-306
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
BIG-IQ Centralized Management
BIG-IQ Centralized Management
Software vendor:
F5 Networks
F5 Networks
Description
The vulnerability allows a remote attacker to gain unauthorized access to the system.
The vulnerability exists due to missing authentication while accessing the Corosync daemon in
BIG-IQ high availability (HA) when using a Quorum device for automatic failover. A remote non-authenticated attacker can alter data or perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.