Vulnerability Details 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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.0
EPSS Ranking 10.1%
CVSS Severity
CVSS v3 Score 6.5
CVSS v2 Score 4.0
Products affected by CVE-2022-0910
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cpe:2.3:h:zyxel:atp100w:-
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cpe:2.3:h:zyxel:usg2200:-
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cpe:2.3:h:zyxel:usg_1100:-
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cpe:2.3:h:zyxel:usg_110:-
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cpe:2.3:h:zyxel:usg_1900:-
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cpe:2.3:h:zyxel:usg_20w-vpn:-
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cpe:2.3:h:zyxel:usg_20w:-
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cpe:2.3:h:zyxel:usg_2200-vpn:-
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cpe:2.3:h:zyxel:usg_310:-
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cpe:2.3:h:zyxel:usg_40w:-
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cpe:2.3:h:zyxel:usg_60w:-
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cpe:2.3:h:zyxel:usg_flex_100:-
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cpe:2.3:h:zyxel:usg_flex_100w:-
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cpe:2.3:h:zyxel:usg_flex_200:-
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cpe:2.3:h:zyxel:usg_flex_500:-
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cpe:2.3:h:zyxel:usg_flex_700:-
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cpe:2.3:h:zyxel:vpn1000:-
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cpe:2.3:o:zyxel:atp100_firmware:4.32
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cpe:2.3:o:zyxel:atp100_firmware:4.35
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cpe:2.3:o:zyxel:atp100_firmware:4.35(abps.2)c0
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cpe:2.3:o:zyxel:atp100_firmware:4.35(abps.3)c0
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cpe:2.3:o:zyxel:atp100_firmware:4.60
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cpe:2.3:o:zyxel:atp100_firmware:5.10
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cpe:2.3:o:zyxel:atp100_firmware:5.20
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cpe:2.3:o:zyxel:atp100w_firmware:4.32
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cpe:2.3:o:zyxel:atp100w_firmware:4.60
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cpe:2.3:o:zyxel:atp100w_firmware:5.10
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cpe:2.3:o:zyxel:atp100w_firmware:5.20
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cpe:2.3:o:zyxel:atp200_firmware:4.32
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cpe:2.3:o:zyxel:atp200_firmware:4.35
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cpe:2.3:o:zyxel:atp200_firmware:4.35(abfw.3)c0
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cpe:2.3:o:zyxel:atp200_firmware:4.60
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cpe:2.3:o:zyxel:atp200_firmware:5.10
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cpe:2.3:o:zyxel:atp200_firmware:5.20
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cpe:2.3:o:zyxel:atp500_firmware:4.32
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cpe:2.3:o:zyxel:atp500_firmware:4.35
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cpe:2.3:o:zyxel:atp500_firmware:4.35(abfu.3)c0
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cpe:2.3:o:zyxel:atp500_firmware:4.60
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cpe:2.3:o:zyxel:atp500_firmware:5.10
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cpe:2.3:o:zyxel:atp500_firmware:5.20
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cpe:2.3:o:zyxel:atp700_firmware:4.32
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cpe:2.3:o:zyxel:atp700_firmware:4.60
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cpe:2.3:o:zyxel:atp700_firmware:5.10
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cpe:2.3:o:zyxel:atp700_firmware:5.20
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cpe:2.3:o:zyxel:atp800_firmware:4.32
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cpe:2.3:o:zyxel:atp800_firmware:4.35
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cpe:2.3:o:zyxel:atp800_firmware:4.35(abiq.3)c0
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cpe:2.3:o:zyxel:atp800_firmware:4.60
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cpe:2.3:o:zyxel:atp800_firmware:5.10
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cpe:2.3:o:zyxel:atp800_firmware:5.20
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cpe:2.3:o:zyxel:usg200_firmware:4.35
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cpe:2.3:o:zyxel:usg200_firmware:4.64
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cpe:2.3:o:zyxel:usg20_firmware:4.35
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cpe:2.3:o:zyxel:usg20_firmware:4.64
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cpe:2.3:o:zyxel:usg210_firmware:4.33(aapi.0)c0
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cpe:2.3:o:zyxel:usg210_firmware:4.35
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cpe:2.3:o:zyxel:usg210_firmware:4.35(aapi.3)c0
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cpe:2.3:o:zyxel:usg210_firmware:4.60
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cpe:2.3:o:zyxel:usg210_firmware:4.64
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cpe:2.3:o:zyxel:usg2200_firmware:4.35
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cpe:2.3:o:zyxel:usg2200_firmware:4.35(abae.3)c0
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cpe:2.3:o:zyxel:usg2200_firmware:4.60
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cpe:2.3:o:zyxel:usg300_firmware:4.35
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cpe:2.3:o:zyxel:usg300_firmware:4.64
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cpe:2.3:o:zyxel:usg310_firmware:4.33(aapj.0)c0
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cpe:2.3:o:zyxel:usg310_firmware:4.35
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cpe:2.3:o:zyxel:usg310_firmware:4.35(aapj.3)c0
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cpe:2.3:o:zyxel:usg310_firmware:4.60
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cpe:2.3:o:zyxel:usg310_firmware:4.64
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cpe:2.3:o:zyxel:usg_1100_firmware:*
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cpe:2.3:o:zyxel:usg_110_firmware:*
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cpe:2.3:o:zyxel:usg_1900_firmware:*
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cpe:2.3:o:zyxel:usg_20w-vpn_firmware:*
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cpe:2.3:o:zyxel:usg_20w_firmware:*
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cpe:2.3:o:zyxel:usg_2200-vpn_firmware:*
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cpe:2.3:o:zyxel:usg_310_firmware:*
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cpe:2.3:o:zyxel:usg_40_firmware:*
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cpe:2.3:o:zyxel:usg_40w_firmware:*
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cpe:2.3:o:zyxel:usg_60_firmware:*
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cpe:2.3:o:zyxel:usg_60w_firmware:*
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cpe:2.3:o:zyxel:usg_flex_100_firmware:4.50
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cpe:2.3:o:zyxel:usg_flex_100_firmware:4.60
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cpe:2.3:o:zyxel:usg_flex_100_firmware:5.00
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cpe:2.3:o:zyxel:usg_flex_100_firmware:5.01
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cpe:2.3:o:zyxel:usg_flex_100_firmware:5.10
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cpe:2.3:o:zyxel:usg_flex_100_firmware:5.20
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cpe:2.3:o:zyxel:usg_flex_100w_firmware:4.50
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cpe:2.3:o:zyxel:usg_flex_100w_firmware:4.60
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cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.00
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cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.01
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cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.10
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cpe:2.3:o:zyxel:usg_flex_200_firmware:4.50
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cpe:2.3:o:zyxel:usg_flex_200_firmware:4.60
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cpe:2.3:o:zyxel:usg_flex_200_firmware:5.00
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cpe:2.3:o:zyxel:usg_flex_200_firmware:5.01
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cpe:2.3:o:zyxel:usg_flex_200_firmware:5.20
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cpe:2.3:o:zyxel:usg_flex_500_firmware:4.50
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cpe:2.3:o:zyxel:usg_flex_500_firmware:4.60
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cpe:2.3:o:zyxel:usg_flex_500_firmware:5.00
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cpe:2.3:o:zyxel:usg_flex_500_firmware:5.01
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cpe:2.3:o:zyxel:usg_flex_500_firmware:5.10
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cpe:2.3:o:zyxel:usg_flex_500_firmware:5.20
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cpe:2.3:o:zyxel:usg_flex_700_firmware:4.50
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cpe:2.3:o:zyxel:usg_flex_700_firmware:4.60
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cpe:2.3:o:zyxel:usg_flex_700_firmware:5.00
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cpe:2.3:o:zyxel:usg_flex_700_firmware:5.10
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cpe:2.3:o:zyxel:usg_flex_700_firmware:5.20
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cpe:2.3:o:zyxel:vpn1000_firmware:4.35
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cpe:2.3:o:zyxel:vpn1000_firmware:4.35(abip.3)c0
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cpe:2.3:o:zyxel:vpn1000_firmware:4.60
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cpe:2.3:o:zyxel:vpn1000_firmware:5.20
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cpe:2.3:o:zyxel:vpn1000_firmware:5.21
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cpe:2.3:o:zyxel:vpn100_firmware:4.35
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cpe:2.3:o:zyxel:vpn100_firmware:4.35(abfv.3)c0
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cpe:2.3:o:zyxel:vpn100_firmware:4.60
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cpe:2.3:o:zyxel:vpn100_firmware:5.20
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cpe:2.3:o:zyxel:vpn100_firmware:5.21
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cpe:2.3:o:zyxel:vpn300_firmware:4.35
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cpe:2.3:o:zyxel:vpn300_firmware:4.35(abfc.3)c0
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cpe:2.3:o:zyxel:vpn300_firmware:4.60
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cpe:2.3:o:zyxel:vpn300_firmware:5.20
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cpe:2.3:o:zyxel:vpn300_firmware:5.21
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cpe:2.3:o:zyxel:vpn50_firmware:4.35
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cpe:2.3:o:zyxel:vpn50_firmware:4.35(abhl.3)c0
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cpe:2.3:o:zyxel:vpn50_firmware:4.60
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cpe:2.3:o:zyxel:vpn50_firmware:5.20
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cpe:2.3:o:zyxel:vpn50_firmware:5.21