#VU23091 Improper access control in F5 Networks products - CVE-2019-6665

Vulnerability identifier: #VU23091

Vulnerability risk: Medium

CVSSv4.0: 7.1 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-6665

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
BIG-IQ Centralized Management
Server applications / Remote management servers, RDP, SSH
F5 iWorkflow
Server applications / Remote management servers, RDP, SSH
Enterprise Manager
Client/Desktop applications / Other client software
BIG-IP ASM
Hardware solutions / Security hardware applicances

Vendor: F5 Networks

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker with access to the device communication between the BIG-IP ASM Central Policy Builder and the BIG-IQ/Enterprise Manager/F5 iWorkflow can set up the proxy the same way and intercept the traffic.

This may lead to incorrect policy building suggestions or a partial denial-of-service (DoS).

Mitigation
Install updates from vendor's website.

Vulnerable software versions

BIG-IQ Centralized Management: 5.2.0 - 6.0.0

F5 iWorkflow: 2.3.0

Enterprise Manager: 3.1.1

BIG-IP ASM: 13.1.0 - 15.0.1

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External links
https://support.f5.com/csp/article/K26462555

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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.