CVE-2017-14615

Severity: medium (CVSS 6.1 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2017-09-20 · updated 2026-06-17
Weakness: CWE-79

Description

An FBX-5313 issue was discovered in WatchGuard Fireware before 12.0. When a failed login attempt is made to the login endpoint of the XML-RPC interface, if JavaScript code, properly encoded to be consumed by XML parsers, is embedded as value of the user element, the code will be rendered in the context of any logged in user in the Web UI visiting "Traffic Monitor" sections "Events" and "All." As a side effect, no further events will be visible in the Traffic Monitor until the device is restarted.

Affected products

WatchGuard Fireware OS: through 11.12.4

References

http://seclists.org/bugtraq/2017/Sep/22
https://watchguardsupport.secure.force.com/publicKB?type=KBSecurityIssues&SFDCID=kA62A0000000L0HSAU&lang=en_US
https://www.sidertia.com/Home/Community/Blog/2017/09/18/Fixed-Fireware-XXE-DOS-and-stored-XSS-vulnerabilities-discovered-by-Sidertia
http://seclists.org/bugtraq/2017/Sep/22
https://watchguardsupport.secure.force.com/publicKB?type=KBSecurityIssues&SFDCID=kA62A0000000L0HSAU&lang=en_US
https://www.sidertia.com/Home/Community/Blog/2017/09/18/Fixed-Fireware-XXE-DOS-and-stored-XSS-vulnerabilities-discovered-by-Sidertia

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