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CVE-2022-0910

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CVE-2022-0910

Published: May 24, 2022

Modified: Aug 2, 2024

PUBLISHED

CVSS v3.1

6.5

MEDIUM

Description

A downgrade from two-factor authentication to one-factor authentication vulnerability in the CGI program of Zyxel USG/ZyWALL series firmware versions 4.32 through 4.71, USG FLEX series firmware versions 4.50 through 5.21, ATP series firmware versions 4.32 through 5.21, and VPN series firmware versions 4.32 through 5.21, that could allow an authenticated attacker to bypass the second authentication phase to connect the IPsec VPN server even though the two-factor authentication (2FA) was enabled.

VendorProductVersions

Zyxel

USG/ZyWALL series firmware

affected
4.32 through 4.71

Zyxel

USG FLEX series firmware

affected
4.50 through 5.21

Zyxel

ATP series firmware

affected
4.32 through 5.21

Zyxel

VPN series firmware

affected
4.32 through 5.21

Weaknesses (CWE)

CWE-287

CVSS v3.1 Details

CVSS v3.1 Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

High

Availability

None

References

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