What is CVE-2022-0910?

CVE-2022-0910 is a medium-severity vulnerability in Zyxel Atp100, classified under Improper Authentication. CVSS score: 6.5/10. Published 2022-05-24.

How severe is CVE-2022-0910?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Auth bypass in Zyxel Atp100

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 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.

Vulnerability class: Broken Authentication

EPSS: 0.007 (50.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

security@zyxel.com.tw (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2022-0910?: CVE-2022-0910 is a medium-severity vulnerability in Zyxel Atp100, classified under Improper Authentication. CVSS score: 6.5/10. Published 2022-05-24.
How severe is CVE-2022-0910?: Medium severity. CVSS v3 base score is 6.5 out of 10.