Denial of service in BIG-IP AFM

1) Resource management error

EUVDB-ID: #VU49076

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-27714

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to improper management of internal resources. The BIG-IP AFM, when a Protocol Inspection Profile is attached to a FastL4 virtual server with the protocol field configured to either Other or All Protocols, the TMM may experience a restart if the profile processes non-TCP traffic.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

BIG-IP AFM: 11.6.1 - 15.1.0.5

External links

http://support.f5.com/csp/article/K60344652

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.