#VU27574 Insufficient Session Expiration in NGINX Controller - CVE-2020-5894
Published: May 6, 2020
Vulnerability identifier: #VU27574
Vulnerability risk: Medium
CVSSv4.0: 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/E:U/U:Green
CVE-ID: CVE-2020-5894
CWE-ID: CWE-613
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
NGINX Controller
NGINX Controller
Software vendor:
F5 Networks
F5 Networks
Description
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.
Remediation
Install updates from vendor's website.