CVE-2019-12581

EPSS 6.4%

Vexday Risk Score

18Low

SSVC decision (CISA)

Attend

PoC available → attend closely

Exploit maturity

Functional exploit

Automatable exploit available (Nuclei/Metasploit).

CVSS —EPSS 6.4%KEV nãoPoC —Nuclei simMetasploit —Patch —

Lifecycle

27 Jun 2019Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

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.

Affected products

n/a · n/a

References

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/