by Kastro
Paper/Archive/CVE-2026-124004

CVE-2026-124004

Copeland XWEB EVO — Dixell/Copeland XWEB EVO Hardcoded Administrator Backdoor Password

CVSS 9.8
critical.is priorityof 100
29
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0No EPSS score.000 × 200.0No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

XWEB EVO before 5.6.2 contains a hardcoded backdoor password vulnerability that allows unauthenticated remote attackers to gain full administrative access to the built-in Administrator account. Attackers can authenticate using the hardcoded credential xwebevonewgeneration in a single request to obtain a complete admin session and full control over the application. This product line reached it's end of service date in March 2026.

Affected

ProductAffectedFixed inSource
XWEB EVO< 5.6.25.6.2CNA

Scores by source

VulnCheck (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
VulnCheck (CNA)9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

References

patchwebapps.copeland.com/Dixell/Pages/SystemSoftwareUpdateadvisorywebapps.copeland.com/dixell/Content/Pages/AdvertisingMaterials/ProductNews/XWEB%20EVO%20EoS%20-%20Product_Bulletin_March_2026.pdfwriteupvulncheck.com/advisories/dixell-copeland-xweb-evo-hardcoded-administrator-backdoor-password