CVE-2019-12581 Information

Description

A reflective Cross-site scripting (XSS) vulnerability in the free_time_failed.cgi CGI program in selected Zyxel ZyWall USG and UAG devices allows remote attackers to inject arbitrary web script or HTML via the err_msg parameter.

CVSS Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Reference

https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/ https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxel-zywall/index.html https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtml https://www.zyxel.com/us/en/

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

REQUIRED

Confidentiality Impact

CHANGED

Integrity Impact

LOW

Availability Impact

LOW

Base Score

NONE

Base Severity

6.1