Rewterz Threat Advisory – CVE-2022-35843 – FortiOS and FortiProxy Vulnerability

Severity

High

Analysis Summary

CVE-2022-35843

FortiOS and FortiProxy could allow a remote attacker to bypass security restrictions, caused by an authentication bypass by assumed-immutable data flaw in the SSH login component. By sending a specially-crafted Access-Challenge response from the Radius server, an attacker could exploit this vulnerability to login into the device.

Impact

Security Bypass

Indicators Of Compromise

CVE

CVE-2022-35843

Affected Vendors

Fortinet

Affected Products

Fortinet FortiOS 6.0.0
Fortinet FortiOS 6.2.0
Fortinet FortiOS 6.4.0
Fortinet FortiProxy 2.0.0
Fortinet FortiOS 7.0.0
Fortinet FortiProxy 7.0.0
Fortinet FortiProxy 1.2.0
Fortinet FortiOS 7.2.0
Fortinet FortiOS 6.4.9
Fortinet FortiProxy 7.0.6
Fortinet FortiOS 7.2.1
Fortinet FortiOS 7.0.7
Fortinet FortiProxy 2.0.10

Remediation

Refer to Fortinet Security Advisory for patch, upgrade or suggested workaround information.

Fortinet Security Advisory

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