This security advisory describes one high risk vulnerability.
CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C] [PCI]
Exploit availability: NoDescription
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.
Install updates from vendor's website.Vulnerable software versions
BIG-IQ Centralized Management: 6.0.0, 6.0.1, 7.0.0, 22.214.171.124, 126.96.36.199CPE
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
How the attacker can exploit this vulnerability?
The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.