PT-2020-18807 · Nginx · Nginx Controller

Published 2020-07-02 · Updated 2020-07-08 · CVE-2020-5909

Positive Technologies (AI Summary)

CVSS v2.0

5.8

Medium

Base vector

AV:N/AC:M/Au:N/C:P/I:P/A:N

Name of the Vulnerable Software and Affected Versions NGINX Controller versions 1.0.1 NGINX Controller versions 2.0.0 through 2.9.0 NGINX Controller versions 3.0.0 through 3.5.0

Description The issue arises when users run a command displayed in the NGINX Controller user interface to fetch the agent installer, resulting in the server TLS certificate not being verified.

Recommendations For version 1.0.1, update to a version that verifies the server TLS certificate. For versions 2.0.0 through 2.9.0, update to a version that verifies the server TLS certificate. For versions 3.0.0 through 3.5.0, update to a version that verifies the server TLS certificate.

Fix

Improper Certificate Validation

Weakness Enumeration

CWE-295

Related Identifiers

CVE-2020-5909

Affected Products

Nginx Controller

References · 4

• https://osv.dev/vulnerability/CVE-2020-5909 · Vendor Advisory
• https://support.f5.com/csp/article/K31150658 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-5909 · Security Note
• https://t.me/cvenotify/4799 · Telegram Post