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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2022-0910

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 se

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Status
Published
Published
Updated
Assigning organization
Zyxel

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Zyxel USG/ZyWALL series firmware

  • 4.32 through 4.71affected

Zyxel USG FLEX series firmware

  • 4.50 through 5.21affected

Zyxel ATP series firmware

  • 4.32 through 5.21affected

Zyxel VPN series firmware

  • 4.32 through 5.21affected

References