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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: Zyxel

Published: 2022-05-24T02:20:13

Updated: 2024-08-02T23:47:42.905Z

Reserved: 2022-03-10T00:00:00

Link: CVE-2022-0910

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Analyzed

Published: 2022-05-24T03:15:09.150

Modified: 2022-06-06T18:17:43.570

Link: CVE-2022-0910

cve-icon Redhat

No data.