CVE-2019-12581

high-risk
Published 2019-06-27

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.

Do I need to act?

!
35.8% chance of exploitation in next 30 days
EPSS score — higher than 64% of all CVEs
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.1/10 Medium
NETWORK / LOW complexity

Affected Products (9)

Affected Vendors

Zyxel

References (8)

Exploit https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-gener...
Exploit https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxe...
Patch https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.s...
Vendor Advisory https://www.zyxel.com/us/en/
Exploit https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-gener...
Exploit https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxe...
Patch https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.s...
Vendor Advisory https://www.zyxel.com/us/en/
54
/ 100
high-risk
Severity 23/34 · High
Exploitability 16/34 · Moderate
Exposure 15/34 · Moderate