Vulnerability identifier: #VU27518

Vulnerability risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5884

CWE-ID: CWE-254

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IP
Hardware solutions / Firmware
BIG-IP LTM
Hardware solutions / Security hardware applicances
BIG-IP AFM
Hardware solutions / Security hardware applicances
BIG-IP Analytics
Hardware solutions / Security hardware applicances
BIG-IP APM
Hardware solutions / Security hardware applicances
BIG-IP ASM
Hardware solutions / Security hardware applicances
BIG-IP FPS
Hardware solutions / Security hardware applicances
BIG-IP GTM
Hardware solutions / Security hardware applicances
BIG-IP PEM
Hardware solutions / Security hardware applicances
BIG-IP AAM
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP DNS
Hardware solutions / Routers & switches, VoIP, GSM, etc
BIG-IP Link Controller
Hardware solutions / Routers & switches, VoIP, GSM, etc

Vendor: F5 Networks

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to the default deployment mode for BIG-IP high availability (HA) pair mirroring is insecure. A remote attacker can read and modify data in transit.

Depending on the deployment, this may include state mirroring messages, client connection details, client data packets, and/or client persistence data.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BIG-IP: 11.6.1 - 11.6.5, 12.1.0 - 12.1.5, 13.1.0 - 13.1.3, 14.1.0 - 14.1.2, 15.0.0 - 15.0.1, 15.1.0

BIG-IP LTM: 11.6.1 - 15.1.0

BIG-IP AAM: 11.6.1 - 15.1.0

BIG-IP AFM: 11.6.1 - 15.1.0

BIG-IP Analytics: 11.6.1 - 15.1.0

BIG-IP APM: 11.6.1 - 15.1.0

BIG-IP ASM: 11.6.1 - 15.1.0

BIG-IP DNS: 11.6.1 - 15.1.0

BIG-IP FPS: 11.6.1 - 15.1.0

BIG-IP GTM: 11.6.1 - 15.1.0

BIG-IP Link Controller: 11.6.1 - 15.1.0

BIG-IP PEM: 11.6.1 - 15.1.0

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External links
http://support.f5.com/csp/article/K72540690

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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 Internet.

Is there known malware, which exploits this vulnerability?

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