CVE-2021-23018
First published: Tue Jun 01 2021(Updated: )
Intra-cluster communication does not use TLS. The services within the NGINX Controller 3.x before 3.4.0 namespace are using cleartext protocols inside the cluster.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 NGINX Controller API Management | >=3.0.0<=3.4.0 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2021-23018?
CVE-2021-23018 has a medium severity rating due to the potential exposure of sensitive data due to cleartext communication.
How do I fix CVE-2021-23018?
To fix CVE-2021-23018, upgrade NGINX Controller to version 3.4.0 or later where TLS is implemented for intra-cluster communication.
What impact does CVE-2021-23018 have on my network?
CVE-2021-23018 may allow unauthorized access to sensitive information as communication within the cluster is not secured.
Which versions are affected by CVE-2021-23018?
CVE-2021-23018 affects F5 NGINX Controller versions from 3.0.0 to prior to 3.4.0.
Is there a workaround for CVE-2021-23018?
There are no recommended workarounds for CVE-2021-23018; the best course of action is to update to an unaffected version.
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- agent/weakness
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- agent/type
- agent/event
- agent/last-modified-date
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- vendor/f5
- canonical/f5 nginx controller api management
- version/f5 nginx controller api management/3.0.0
- version/f5 nginx controller api management/3.4.0