VulnerabilityModified
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.
MEDIUM 6.1EPSS 6.40%
Does this matter?
Lower severity and a low EPSS score (6.40%). Track it; it rarely justifies an emergency change on its own.
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 3.0
- 6.1 MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- EPSS
- 6.40% probability · 93th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- zyxel/uag2100 firmware · zyxel/uag4100 firmware · zyxel/uag5100 firmware · zyxel/usg110 firmware · zyxel/usg210 firmware · zyxel/usg310 firmware · zyxel/usg1100 firmware · zyxel/usg1900 firmware · zyxel/usg2200-vpn firmware
- Source
- cve@mitre.org
References
- https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/Exploit, Third Party Advisory
- https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxel-zywall/index.htmlExploit, Patch, Third Party Advisory
- https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtmlPatch, Vendor Advisory
- https://www.zyxel.com/us/en/Vendor Advisory
- https://n-thumann.de/blog/zyxel-gateways-missing-access-control-in-account-generator-xss/Exploit, Third Party Advisory
- https://sec-consult.com/en/blog/advisories/reflected-cross-site-scripting-in-zxel-zywall/index.htmlExploit, Patch, Third Party Advisory
- https://www.zyxel.com/support/vulnerabilities-related-to-the-Free-Time-feature.shtmlPatch, Vendor Advisory
- https://www.zyxel.com/us/en/Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.