CVE-2021-23018

HIGH

NGINX Controller <3.4.0 - Info Disclosure

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K97002210

Scores

CVSS v3 7.4
EPSS 0.0022
EPSS Percentile 44.4%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

CWE
CWE-319
Status published
Products (1)
f5/nginx_controller 3.0.0 - 3.4.0
Published Jun 01, 2021
Tracked Since Feb 18, 2026