QID 44178

Date Published: 2024-03-14

QID 44178: Fortinet FortiOS - Improper authentication following read-only user login Escalation of privilege (FG-IR-23-424)

An improper authentication vulnerability [CWE-287] in FortiOS when configured with FortiAuthenticator in HA may allow an authenticated attacker with at least read-only permission to gain read-write access via successive login attempts.
Affected Versions:
FortiOS-7.4
FortiOS-7.2
FortiOS-7.0

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

Successful exploitation of the vulnerability may lead to Escalation of privilege

CVSS V3 rated as High - 7.5 severity.

CVSS V2 rated as Medium - 5.4 severity.

Solution

Please upgrade to FortiOS 7.4.2 or above Please upgrade to FortiOS 7.2.7 or above Please upgrade to ForitOS 7.0.13 or above Workaround- Disable push notifications for FortiAuthenticator: For RADIUS Authentication (From FortiAuthenticator)- ## RADIUS Service > Policies > (select policy) > Authentication Factors > Advanced Options > Allow FortiToken Mobile push notifications (disable)Fortinet has released patch addressing the vulnerability. For more information please refer to FG-IR-23-424

Vendor References

FG-IR-23-424 - www.fortiguard.com/psirt/FG-IR-23-424

CVEs related to QID 44178

CVE-2023-46717 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-23-424			www.fortiguard.com/psirt/FG-IR-23-424

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