CVE-2020-5909 Security feature bypass in NGINX Controller
Attackers can intercept agent installer downloads via Man-in-the-Middle attacks because TLS certificate verification is disabled in the NGINX Controller UI command.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-5909?
CVE-2020-5909 is a medium-severity vulnerability in NGINX Controller, published on 2 Jul 2020. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In versions 3.0.0-3.5.0, 2.0.0-2.9.0, and 1.0.1, when users run the command displayed in NGINX Controller user interface (UI) to fetch the agent installer, the server TLS certificate is not verified.
Weakness: CWE-295
Which versions are affected by CVE-2020-5909?
It affects 1 product.
Products include F5 Nginx Controller.
How do I fix CVE-2020-5909?
No fix has been published for CVE-2020-5909 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-5909 being exploited?
There is no known exploitation of CVE-2020-5909 in the wild and no public exploit code.
Other vulnerabilities in NGINX Controller
Sources
Also known as GHSA-989x-v562-xr5m.