Vulnerability identifier: #VU51392

Vulnerability risk: Low

CVSSv3.1: 3.7 [CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-23005

CWE-ID: CWE-319

Exploitation vector: Local network

Exploit availability: No

Vulnerable software:
BIG-IQ Centralized Management
Server applications / Remote management servers, RDP, SSH

Vendor: F5 Networks

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to software uses insecure communication channel to transmit sensitive information. When using a Quorum device for BIG-IQ high availability (HA) for automatic failover, BIG-IQ does not make use of Transport Layer Security (TLS) with the Corosync protocol. A remote attacker with ability to intercept network traffic can gain access to sensitive data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BIG-IQ Centralized Management: 6.0.0 - 7.0.0.2

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External links
http://support.f5.com/csp/article/K01243064

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the local network (LAN).

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.