MitM attack in FortiOS SSH
| Risk | Medium |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2022-30307 |
| CWE-ID | CWE-320 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
FortiOS Operating systems & Components / Operating system |
| Vendor | Fortinet, Inc |
Security Bulletin
This security bulletin contains one medium risk vulnerability.
1) Key management errors
EUVDB-ID: #VU68905
Risk: Medium
CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]
CVE-ID: CVE-2022-30307
CWE-ID:
CWE-320 - Key Management Errors
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsFortiOS: 6.4.9 - 7.2.0
External linkshttp://fortiguard.fortinet.com/psirt/FG-IR-22-228
Q & A
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability.
