Vulnerability · Published Jun 1, 2021 · Assigned by f5
CVE-2021-23018
High 7.4
In plain English
A high-severity security flaw in Nginx Controller. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS NVD)7.4High
Exploit odds (30 days)0.5%top 54.2% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| n/a | Nginx Controller | "3.x before 3.4.0" |
Weakness: CWE-319
References
- https://support.f5.com/csp/article/K97002210 x_refsource_MISC