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CVE-2023-6399

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CVE-2023-6399

Published: Feb 20, 2024

Modified: Aug 2, 2024

PUBLISHED

CVSS v3.1

5.7

MEDIUM

Description

A format string vulnerability in Zyxel ATP series firmware versions from 4.32 through 5.37 Patch 1, USG FLEX series firmware versions from 4.50 through 5.37 Patch 1, USG FLEX 50(W) series firmware versions from 4.16 through 5.37 Patch 1, USG20(W)-VPN series firmware versions from 4.16 through 5.37 Patch 1, and USG FLEX H series firmware versions from 1.10 through 1.10 Patch 1 could allow an authenticated IPSec VPN user to cause DoS conditions against the “deviceid” daemon by sending a crafted hostname to an affected device if it has the “Device Insight” feature enabled.

VendorProductVersions

Zyxel

ATP series firmware

affected
version 4.32 through 5.37 Patch 1

Zyxel

USG FLEX series firmware

affected
version 4.50 through 5.37 Patch 1

Zyxel

USG FLEX 50(W) series firmware

affected
version 4.16 through 5.37 Patch 1

Zyxel

USG20(W)-VPN series firmware

affected
version 4.16 through 5.37 Patch 1

Zyxel

USG FLEX H series firmware

affected
version 1.10 through 1.10 Patch 1

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Adjacent

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

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