QID 44037

Date Published: 2023-05-31

QID 44037: FortiOS SSH Authentication Bypass Vulnerability (FG-IR-22-255) (Unauthenticated check)

An authentication bypass by assumed-immutable data vulnerability [CWE-302] in the FortiOS SSH login component may allow a remote and unauthenticated attacker to login into the device via sending specially crafted Access-Challenge response from the Radius server. Affected Versions:
FortiOS version 7.2.0 through 7.2.1
FortiOS version 7.0.0 through 7.0.7
FortiOS version 6.4.0 through 6.4.9
FortiOS version 6.2 through 6.2.12

QID Detection Logic (UnAuthenticated):
Detection checks for vulnerable version of FortiOS.

Successful exploitation of the vulnerability may allow Improper access control.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Medium - 5.1 severity.

Solution

Fortinet has released patch addressing the vulnerability. For more information please refer to FG-IR-22-255

Vendor References

FG-IR-22-255 - www.fortiguard.com/psirt/FG-IR-22-255

CVEs related to QID 44037

CVE-2022-35843 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-22-255			www.fortiguard.com/psirt/FG-IR-22-255

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