Insufficient Session Expiration in NGINX Controller - CVE-2020-5894
Published: May 6, 2020
Vulnerability identifier: #VU27574
CSH Severity: Medium
CVSS v4: 6.3 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2020-5894
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to NGINX Controller webserver does not invalidate the the server-side session token when users log out. A remote non-authenticated attacker can obtain or guess session token and gain unauthorized access to session that belongs to another user.
Affected software
NGINX Controller
How to mitigate CVE-2020-5894
Install updates from vendor's website.
NGINX Controller - update to 3.4.0