Use of Hard-coded Cryptographic Key in FortiOS - CVE-2021-26108

 

Use of Hard-coded Cryptographic Key in FortiOS - CVE-2021-26108

Published: December 7, 2021


Vulnerability identifier: #VU58628
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2021-26108
CWE-ID: CWE-321
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Fortinet, Inc
Affected software:
FortiOS

Detailed vulnerability description

The vulnerability allows a remote attacker to decrypt traffic.

The vulnerability exists due to usage of a hard-coded SSL VPN cookie encryption key. A remote attacker can extract the encryption key and use it to decrypt traffic.


How to mitigate CVE-2021-26108

Install updates from vendor's website.

Sources