CVE-2023-4398
Published: Nov 28, 2023
Modified: Oct 17, 2024
CVSS v3.1
7.5
Description
An integer overflow vulnerability in the source code of the QuickSec IPSec toolkit used in the VPN feature of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an unauthenticated attacker to cause denial-of-service (DoS) conditions on an affected device by sending a crafted IKE packet.
| Vendor | Product | Versions |
|---|---|---|
Zyxel | ATP series firmware | affected versions 4.32 through 5.37 |
Zyxel | USG FLEX series firmware | affected versions 4.50 through 5.37 |
Zyxel | USG FLEX 50(W) series firmware | affected versions 4.16 through 5.37 |
Zyxel | USG20(W)-VPN series firmware | affected versions 4.16 through 5.37 |
Zyxel | VPN series firmware | affected versions 4.30 through 5.37 |
Weaknesses (CWE)
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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