PT-2020-18795 · Nginx · Nginx Controller

Published 2020-05-07 · Updated 2020-05-12 · CVE-2020-5894

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

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

Name of the Vulnerable Software and Affected Versions NGINX Controller versions 3.0.0 through 3.3.0

Description The issue concerns the NGINX Controller webserver, where it fails to invalidate the server-side session token after users log out. This problem can potentially lead to unauthorized access.

Recommendations For versions 3.0.0 through 3.3.0, consider implementing a workaround to manually invalidate session tokens upon user logout until a proper fix is available. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Session Fixation

Weakness Enumeration

CWE-384

Related Identifiers

CVE-2020-5894

Affected Products

Nginx Controller

References · 4

• https://support.f5.com/csp/article/K13028514 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-5894 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-5894 · Security Note
• https://t.me/cvenotify/3606 · Telegram Post