CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
76.0%
Missing Access Control in the “Free Time” component of several Zyxel UAG, USG, and ZyWall devices allows a remote attacker to generate guest accounts by directly accessing the account generator. This can lead to unauthorised network access or Denial of Service.
Vendor | Product | Version | CPE |
---|---|---|---|
zyxel | uag2100_firmware | * | cpe:2.3:o:zyxel:uag2100_firmware:*:*:*:*:*:*:*:* |
zyxel | uag2100 | - | cpe:2.3:h:zyxel:uag2100:-:*:*:*:*:*:*:* |
zyxel | uag4100_firmware | * | cpe:2.3:o:zyxel:uag4100_firmware:*:*:*:*:*:*:*:* |
zyxel | uag4100 | - | cpe:2.3:h:zyxel:uag4100:-:*:*:*:*:*:*:* |
zyxel | uag5100_firmware | * | cpe:2.3:o:zyxel:uag5100_firmware:*:*:*:*:*:*:*:* |
zyxel | uag5100 | - | cpe:2.3:h:zyxel:uag5100:-:*:*:*:*:*:*:* |
zyxel | usg110_firmware | * | cpe:2.3:o:zyxel:usg110_firmware:*:*:*:*:*:*:*:* |
zyxel | usg110 | - | cpe:2.3:h:zyxel:usg110:-:*:*:*:*:*:*:* |
zyxel | usg210_firmware | * | cpe:2.3:o:zyxel:usg210_firmware:*:*:*:*:*:*:*:* |
zyxel | usg210 | - | cpe:2.3:h:zyxel:usg210:-:*:*:*:*:*:*:* |
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:P/A:P
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
76.0%