Vulnerability Details CVE-2023-22916
The configuration parser of Zyxel ATP series firmware versions 5.10 through 5.35, USG FLEX series firmware versions 5.00 through 5.35, USG FLEX 50(W) firmware versions 5.10 through 5.35, USG20(W)-VPN firmware versions 5.10 through 5.35, and VPN series firmware versions 5.00 through 5.35, which fails to properly sanitize user input. A remote unauthenticated attacker could leverage the vulnerability to modify device configuration data, resulting in DoS conditions on an affected device if the attacker could trick an authorized administrator to switch the management mode to the cloud mode.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.005
EPSS Ranking 63.9%
CVSS Severity
CVSS v3 Score 8.1
Products affected by CVE-2023-22916
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cpe:2.3:h:zyxel:atp100w:-
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cpe:2.3:h:zyxel:usg_20w-vpn:-
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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_50:-
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cpe:2.3:h:zyxel:usg_flex_50w:-
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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:5.10
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cpe:2.3:o:zyxel:atp100_firmware:5.20
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cpe:2.3:o:zyxel:atp100_firmware:5.30
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cpe:2.3:o:zyxel:atp100_firmware:5.31
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cpe:2.3:o:zyxel:atp100_firmware:5.35
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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:atp100w_firmware:5.30
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cpe:2.3:o:zyxel:atp100w_firmware:5.35
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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:atp200_firmware:5.30
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cpe:2.3:o:zyxel:atp200_firmware:5.35
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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:atp500_firmware:5.30
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cpe:2.3:o:zyxel:atp500_firmware:5.35
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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:atp700_firmware:5.30
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cpe:2.3:o:zyxel:atp700_firmware:5.35
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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:atp800_firmware:5.30
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cpe:2.3:o:zyxel:atp800_firmware:5.35
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cpe:2.3:o:zyxel:usg_20w-vpn_firmware:*
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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_100_firmware:5.35
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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_100w_firmware:5.30
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cpe:2.3:o:zyxel:usg_flex_100w_firmware:5.35
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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_200_firmware:5.30
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cpe:2.3:o:zyxel:usg_flex_200_firmware:5.35
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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_500_firmware:5.30
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cpe:2.3:o:zyxel:usg_flex_500_firmware:5.35
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cpe:2.3:o:zyxel:usg_flex_50_firmware:5.00
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cpe:2.3:o:zyxel:usg_flex_50_firmware:5.10
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cpe:2.3:o:zyxel:usg_flex_50_firmware:5.35
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cpe:2.3:o:zyxel:usg_flex_50w_firmware:5.10
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cpe:2.3:o:zyxel:usg_flex_50w_firmware:5.30
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cpe:2.3:o:zyxel:usg_flex_50w_firmware:5.35
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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:usg_flex_700_firmware:5.30
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cpe:2.3:o:zyxel:usg_flex_700_firmware:5.35
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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:vpn1000_firmware:5.30
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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:vpn100_firmware:5.30
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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:vpn300_firmware:5.30
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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
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cpe:2.3:o:zyxel:vpn50_firmware:5.30