CVE Vulnerability

CVE-2019-12583

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.

6.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 4.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

9.1 /10

CVSS v3.0 : CRITICAL

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 5.2

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtml Patch Vendor Advisory
https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/ Exploit Third Party Advisory
Configurations

Configuration 1
Information

Published : 2019-06-27 02:15

Updated : 2020-08-24 05:37

NVD link : CVE-2019-12583

Mitre link : CVE-2019-12583

Products Affected

Zywall Vpn300 Firmware

Zyxel

CWE
CWE-425

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