What is the severity of CVE-2020-5909?

CVE-2020-5909 has been classified as medium severity due to the potential risks associated with a TLS certificate validation bypass.

How does CVE-2020-5909 affect F5 Nginx Controller users?

CVE-2020-5909 affects users by allowing the possibility of unverified server connections leading to potential man-in-the-middle attacks.

How do I fix CVE-2020-5909?

To fix CVE-2020-5909, update the F5 Nginx Controller to a version higher than 3.5.0, 2.9.0, or 1.0.1.

Is CVE-2020-5909 exploitable by remote attackers?

Yes, CVE-2020-5909 can be exploited by remote attackers due to the server TLS certificate verification issue.

What versions of F5 Nginx Controller are vulnerable to CVE-2020-5909?

F5 Nginx Controller versions 3.0.0 to 3.5.0, 2.0.0 to 2.9.0, and 1.0.1 are vulnerable to CVE-2020-5909.

Vulnerability/
CVE-2020-5909

medium

5.8

CWE

295

2/7/2020

4/8/2024

CVE-2020-5909

First published: Thu Jul 02 2020(Updated: )

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.

Credit: f5sirt@f5.com

Affected Software	Affected Version	How to fix
F5 NGINX Controller API Management	>=2.0.0<=2.9.0
F5 NGINX Controller API Management	>=3.0.0<=3.5.0
F5 NGINX Controller API Management	=1.0.1

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Reference Links

https://support.f5.com/csp/article/K31150658

Frequently Asked Questions

What is the severity of CVE-2020-5909?
CVE-2020-5909 has been classified as medium severity due to the potential risks associated with a TLS certificate validation bypass.
How does CVE-2020-5909 affect F5 Nginx Controller users?
CVE-2020-5909 affects users by allowing the possibility of unverified server connections leading to potential man-in-the-middle attacks.
How do I fix CVE-2020-5909?
To fix CVE-2020-5909, update the F5 Nginx Controller to a version higher than 3.5.0, 2.9.0, or 1.0.1.
Is CVE-2020-5909 exploitable by remote attackers?
Yes, CVE-2020-5909 can be exploited by remote attackers due to the server TLS certificate verification issue.
What versions of F5 Nginx Controller are vulnerable to CVE-2020-5909?
F5 Nginx Controller versions 3.0.0 to 3.5.0, 2.0.0 to 2.9.0, and 1.0.1 are vulnerable to CVE-2020-5909.

agent/type
agent/softwarecombine
collector/mitre-cve
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agent/references
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agent/severity
agent/weakness
agent/description
agent/first-publish-date
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/f5
canonical/f5 nginx controller api management
version/f5 nginx controller api management/2.0.0
version/f5 nginx controller api management/2.9.0
version/f5 nginx controller api management/3.0.0
version/f5 nginx controller api management/3.5.0
version/f5 nginx controller api management/1.0.1

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