SB2021120714 - Hard-coded SSLVPN cookie encryption key in FortiOS
Published: December 7, 2021
Security Bulletin ID
SB2021120714
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Information disclosure
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use of Hard-coded Cryptographic Key (CVE-ID: CVE-2021-26108)
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.
Remediation
Install update from vendor's website.