CVE-2026-124012

Dixell/Copeland XWEB EVO Hardcoded Administrator Daily Password Authentication Bypass

Published Nov 12, 2026 CVSS 4.0 · 9.2 Critical EPSS n/a KEV · Not listed
Description
XWEB EVO 5.6.2 through 5.8.8 contains a hardcoded credential vulnerability where the Administrator web account is configured to use password_mode daily_password with no stored password, as the Users.authenticate function in lualib_users.lua synthesizes the Administrator configuration without validating any stored secret. Attackers who can derive the MAC-based daily password can authenticate as Administrator to obtain a full admin session on the device. This product line reached it's end of service date in March 2026.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Copeland
Copeland xweb Evo
Vendors & Products Copeland
Copeland xweb Evo
Type Values Removed Values Added
Description XWEB EVO 5.6.2 through 5.8.8 contains a hardcoded credential vulnerability where the Administrator web account is configured to use password_mode daily_password with no stored password, as the Users.authenticate function in lualib_users.lua synthesizes the Administrator configuration without validating any stored secret. Attackers who can derive the MAC-based daily password can authenticate as Administrator to obtain a full admin session on the device. This product line reached it's end of service date in March 2026.
Title Dixell/Copeland XWEB EVO Hardcoded Administrator Daily Password Authentication Bypass
Weaknesses CWE-798
References
Metrics cvssV3_1

{'score': 8.1, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.2, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Nov 12, 2026, 8:09 PM
Reserved
Nov 6, 2026, 6:38 PM
Status
Deferred
Published
Nov 12, 2026, 8:18 PM
Modified
Nov 12, 2026, 9:36 PM