EN

CVE-2022-40684

Critical
9.8
0.05.010.0
Year
2022
Published
Oct 18, 2022
Known Affected Devices
0
CVSS Score
9.8

What is CVE-2022-40684?

An authentication bypass using an alternate path or channel [CWE-288] in Fortinet FortiOS version 7.2.0 through 7.2.1 and 7.0.0 through 7.0.6, FortiProxy version 7.2.0 and version 7.0.0 through 7.0.6 and FortiSwitchManager version 7.2.0 and 7.0.0 allows an unauthenticated atttacker to perform operations on the administrative interface via specially crafted HTTP or HTTPS requests.

CVSS Vector Breakdown

CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV
Attack Vector
Network

Exploitable remotely over the network without requiring access to the local system.

AC
Attack Complexity
Low

No special conditions required. Exploit can be performed reliably and repeatedly.

PR
Privileges Required
None

No authentication required. Any anonymous user can exploit this vulnerability.

UI
User Interaction
None

No user interaction required. Exploit runs without any victim action.

S
Scope
Unchanged

Exploiting the vulnerability only affects the vulnerable component itself.

C
Confidentiality Impact
High

Complete loss of confidentiality. All data on the component may be exposed.

I
Integrity Impact
High

Complete loss of integrity. Attacker can modify any file or data on the component.

A
Availability Impact
High

Complete denial of service. The component becomes fully unavailable.

Known Affected Devices

Fortinet Fortinet FortiGate 40F Fortinet Fortinet FortiGate 60F Fortinet Fortinet FortiGate 60E Fortinet Fortinet FortiGate 61E Fortinet Fortinet FortiGate 70F Fortinet Fortinet FortiGate 80E Fortinet Fortinet FortiGate 80F Fortinet Fortinet FortiGate 81E Fortinet Fortinet FortiGate 81F Fortinet Fortinet FortiGate 100E Fortinet Fortinet FortiGate 100F Fortinet Fortinet FortiGate 101E Fortinet Fortinet FortiGate 101F Fortinet Fortinet FortiGate 200E Fortinet Fortinet FortiGate 200F Fortinet Fortinet FortiGate 201E Fortinet Fortinet FortiGate 201F Fortinet Fortinet FortiGate 300E Fortinet Fortinet FortiGate 301E Fortinet Fortinet FortiGate 400F Fortinet Fortinet FortiGate 401E Fortinet Fortinet FortiGate 500E Fortinet Fortinet FortiGate 501E Fortinet Fortinet FortiGate 600E Fortinet Fortinet FortiGate 900D Fortinet Fortinet FortiGate 1000D Fortinet Fortinet FortiGate 1100E Fortinet Fortinet FortiGate 1101E Fortinet Fortinet FortiGate 1800F Fortinet Fortinet FortiGate 2000E Fortinet Fortinet FortiGate 2200E Fortinet Fortinet FortiGate 2201E Fortinet Fortinet FortiGate 2500E Fortinet Fortinet FortiGate 3000D Fortinet Fortinet FortiGate 3100D Fortinet Fortinet FortiGate 3200D Fortinet Fortinet FortiGate 3400E Fortinet Fortinet FortiGate 3401E Fortinet Fortinet FortiGate 3600E Fortinet Fortinet FortiGate 3601E Fortinet Fortinet FortiGate 3960E Fortinet Fortinet FortiGate 4200F Fortinet Fortinet FortiGate 4201F Fortinet Fortinet FortiGate 4401F Fortinet Fortinet FortiGate 6300F Fortinet Fortinet FortiGate 6301F Fortinet Fortinet FortiGate 6500F Fortinet Fortinet FortiGate 6501F Fortinet Fortinet FortiGate 7030E Fortinet Fortinet FortiGate 7040E Fortinet Fortinet FortiGate 7121F Fortinet Fortinet FortiGate VM01 Fortinet Fortinet FortiGate VM02 Fortinet Fortinet FortiGate VM04 Fortinet Fortinet FortiGate VM08

FAQ

How severe is CVE-2022-40684?

CVE-2022-40684 has a CVSS score of 9.8/10, rated as Critical. This is the highest severity level - immediate patching is strongly recommended.

What does the CVSS score mean for CVE-2022-40684?

CVSS (Common Vulnerability Scoring System) rates vulnerability severity from 0.0 to 10.0. CVE-2022-40684 scores 9.8/10 (Critical). Scores 9.0–10.0 are Critical, 7.0–8.9 are High, 4.0–6.9 are Medium, and below 4.0 are Low.

Which devices are affected by CVE-2022-40684?

The list of devices confirmed to be affected by CVE-2022-40684 is shown in the "Affected Devices" section above. Check your firmware version against the vendor security advisory and apply the latest patch.

How do I fix or mitigate CVE-2022-40684?

Apply the latest firmware or software update from the vendor. Check the References section above for official advisories and patch notes. If no patch is available, consider disabling the affected feature or isolating the device from untrusted networks.