QID 44096

Date Published: 2023-08-09

QID 44096: FortiOS - Improper Verification Of Chain Of Trust of User Certificate Vulnerability (FG-IR-21-018)

FortiOS is vulnerable to chain of trust vulnerability in FortiGate SSL-VPN.

Affected Versions:
FortiOS Versions 6.4.0 to 6.4.4

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

Successful attack may allow an LDAP user to connect to VPN with any certificate that is signed by a trusted Certificate Authority.

CVSS V3 rated as High - 7.3 severity.

CVSS V2 rated as High - 7.5 severity.

Solution

Fortinet has released patch addressing the vulnerability. For more information please refer to FG-IR-21-018

Vendor References

FG-IR-21-018 - www.fortiguard.com/psirt/FG-IR-21-018

CVEs related to QID 44096

CVE-2021-24012 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-21-018			www.fortiguard.com/psirt/FG-IR-21-018

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