MitM attack in FortiOS SSH



Published: 2022-11-01
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:

CVE-ID: CVE-2022-30307

CWE-ID: CWE-320 - Key Management Errors

Exploit availability: No

Description

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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

FortiOS: 7.0.6, 6.4.9, 7.2.0

CPE2.3 External links

http://fortiguard.fortinet.com/psirt/FG-IR-22-228


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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