PT-2021-15344 · Nginx · Nginx Controller

Published 2021-06-01 · Updated 2021-06-11 · CVE-2021-23018

Positive Technologies (AI Summary)

CVSS v3.1

7.4

High

Base vector

AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Name of the Vulnerable Software and Affected Versions NGINX Controller versions 3.x before 3.4.0

Description The issue is related to intra-cluster communication not using TLS, resulting in services within the namespace using cleartext protocols.

Recommendations For NGINX Controller versions 3.x before 3.4.0, update to version 3.4.0 or later to resolve the issue.

Fix

Cleartext Transmission of Sensitive Information

Weakness Enumeration

CWE-319

Related Identifiers

CVE-2021-23018

Affected Products

Nginx Controller

References · 4

• https://osv.dev/vulnerability/CVE-2021-23018 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-23018 · Security Note
• https://support.f5.com/csp/article/K97002210 · Vendor Advisory
• https://t.me/cvenotify/16220 · Telegram Post