CVE-2019-12581

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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
6.1 MEDIUM
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 98%
VendorProductVersion
zyxeluag2100_firmware
𝑥
≤ 4.18\(aaiz.1\)c0
zyxeluag4100_firmware
𝑥
≤ 4.18\(aatd.1\)c0
zyxeluag5100_firmware
𝑥
≤ 4.18\(aapn.1\)c0
zyxelusg110_firmware
𝑥
≤ 4.30
zyxelusg210_firmware
𝑥
≤ 4.30
zyxelusg310_firmware
𝑥
≤ 4.30
zyxelusg1100_firmware
𝑥
≤ 4.30
zyxelusg1900_firmware
𝑥
≤ 4.30
zyxelusg2200-vpn_firmware
𝑥
≤ 4.30
𝑥
= Vulnerable software versions
Common Weakness Enumeration
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/
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/