QID 43981

Date Published: 2023-02-22

QID 43981: Fortinet FortiGate FortiOS Man-in-the-Middle (MITM) Attack Vulnerability (FG-IR-22-257)

An improper certificate validation vulnerability in FortiOS may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiOS device and remote servers hosting threat feeds (when the latter are configured as Fabric connectors in FortiOS ) Affected Versions:
FortiOS version 7.2.0 through 7.2.3
FortiOS version 7.0.0 through 7.0.7
FortiOS version 6.4 all versions
FortiOS version 6.2 all versions
FortiOS version 6.0 all versions

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

Successful exploitation of this vulnerability may allow an authenticated attacker may allow a remote and unauthenticated attacker to perform a Man-in-the-Middle attack on the communication channel between the FortiOS device and remote servers hosting threat feeds (when the latter are configured as Fabric connectors in FortiOS )

CVSS V3 rated as High - 7.4 severity.

CVSS V2 rated as High - 6.4 severity.

Solution

Fortinet has released a patch addressing the vulnerability. For more information please refer to FG-IR-22-257

Vendor References

FG-IR-22-257 - www.fortiguard.com/psirt/FG-IR-22-257

CVEs related to QID 43981

CVE-2022-39948 |

Software Advisories

Advisory ID	Software	Component	Link
FG-IR-22-257			www.fortiguard.com/psirt/FG-IR-22-257

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