Vulnerability Details : CVE-2021-23018
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.
Products affected by CVE-2021-23018
- cpe:2.3:a:f5:nginx_controller:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23018
0.17%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 53 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23018
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:N |
8.6
|
4.9
|
NIST | |
|
7.4
|
HIGH | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N |
2.2
|
5.2
|
NIST |
CWE ids for CVE-2021-23018
-
The product transmits sensitive or security-critical data in cleartext in a communication channel that can be sniffed by unauthorized actors.Assigned by:
- f5sirt@f5.com (Secondary)
- nvd@nist.gov (Primary)
References for CVE-2021-23018
-
https://support.f5.com/csp/article/K97002210
NGINX Controller vulnerability CVE-2021-23018Vendor Advisory
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