Session Fixation in My Cloud Home and ibi - CVE-2020-8990

 

Session Fixation in My Cloud Home and ibi - CVE-2020-8990

Published: February 21, 2020


Vulnerability identifier: #VU25509
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
CVE-ID: CVE-2020-8990
CWE-ID: CWE-384
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Western Digital
Affected software:
My Cloud Home
ibi

Detailed vulnerability description

The vulnerability allows a remote attacker to gain unauthorized access to the web interface.

The vulnerability exists due to the session invalidation issue when the affected software fails to terminate all open sessions on a password reset, change or deletion of user account. A remote attacker can use the browser's back button to access web pages previously accessed by the victim.


How to mitigate CVE-2020-8990

Install updates from vendor's website.

Sources