CVE-2021-23018 Weak cryptography in Nginx Controller
Attackers can intercept intra-cluster traffic in NGINX Controller because it uses cleartext protocols instead of TLS, exposing sensitive data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-23018?
CVE-2021-23018 is a high-severity vulnerability in Nginx Controller, published on 1 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-319
Which versions are affected by CVE-2021-23018?
It affects 1 product.
Products include F5 Nginx Controller.
How do I fix CVE-2021-23018?
No fix has been published for CVE-2021-23018 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-23018 being exploited?
There is no known exploitation of CVE-2021-23018 in the wild and no public exploit code.
Other vulnerabilities in Nginx Controller
Sources
Also known as GHSA-gc3v-3qpp-57w4.