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Advisories

Dixell/Copeland XWEB EVO Information Disclosure via sysinfo.lua

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Severity
medium
Date
Affecting

  • XWEB EVO >= 5.6.2, <= 5.8.8

CWE
  • CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere
CVSS
6.9
CVSS V4 Vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N
Credit
Valentin Lobstein (Chocapikk)
Description
XWEB EVO 5.6.2 through 5.8.8 contains an information disclosure vulnerability that allows unauthenticated attackers to obtain the device's eth0 MAC address and system clock by accessing sysinfo.lua, which also feeds the pre-login page. Attackers can use the disclosed MAC address and system clock values to offline derive the MAC-based daily password, enabling unauthorized authentication to the device. This product line reached it's end of service date in March 2026.

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