SB2024020903 - MitM attack in FortiOS Fortilink
Published: February 9, 2024
Security Bulletin ID
SB2024020903
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper Certificate Validation (CVE-ID: CVE-2023-47537)
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to improper certificate validation in Fortilink. A remote attacker in a Man-in-the-Middle position can decipher and alter the FortiLink communication channel between the FortiOS device and a FortiSwitch instance.
Remediation
Install update from vendor's website.