#VU34178 Improper Authentication in NGINX Controller - CVE-2020-5910

Vulnerability identifier: #VU34178

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-5910

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
NGINX Controller
Server applications / Web servers

Vendor: F5 Networks

Description

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

In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, the Neural Autonomic Transport System (NATS) messaging services in use by the NGINX Controller do not require any form of authentication, so any successful connection would be authorized.

Mitigation
Install update from vendor's website.

Vulnerable software versions

NGINX Controller: 1.0.1 - 3.5.0

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External links
https://support.f5.com/csp/article/K59209532

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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.