Published: 27/06/2019 Updated: 24/08/2020

CVSS v2 Base Score: 6.4 | Impact Score: 4.9 | Exploitability Score: 10

CVSS v3 Base Score: 9.1 | Impact Score: 5.2 | Exploitability Score: 3.9

VMScore: 571

Vector: AV:N/AC:L/Au:N/C:N/I:P/A:P

Missing Access Control in the "Free Time" component of several Zyxel UAG, USG, and ZyWall devices allows a remote malicious user to generate guest accounts by directly accessing the account generator. This can lead to unauthorised network access or Denial of Service.

Vulnerable Product	Search on Vulmon	Subscribe to Product
zyxel uag2100_firmware
zyxel uag4100_firmware
zyxel uag5100_firmware
zyxel usg110_firmware
zyxel usg210_firmware
zyxel usg310_firmware
zyxel usg1100_firmware
zyxel usg1900_firmware
zyxel usg2200-vpn_firmware
zyxel zywall_vpn100_firmware
zyxel zywall_vpn300_firmware
zyxel zywall_110_firmware
zyxel zywall_310_firmware
zyxel zywall_1100_firmware

Check Point Reference: CPAI-2019-3178 Date Published: 28 Mar 2024 Severity: Critical ...

CWE-425 https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtml https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/https://nvd.nist.gov https://advisories.checkpoint.com/defense/advisories/public/2024/cpai-2019-3178.html

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CVE-2019-12583

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