SB2022110149 - MitM attack in FortiOS SSH
Published: November 1, 2022
Security Bulletin ID
SB2022110149
CSH 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 vulnerability.
1) Key management errors (CVE-ID: CVE-2022-30307)
CWE-ID: CWE-320 - Key Management Errors
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to perform MitM attack.
The vulnerability exists due to key management error affecting the RSA SSH host key in FortiOS. A remote non-authenticated attacker can perform a man in the middle attack.
Remediation
Install update from vendor's website.