CVE-2025-6519 CRITICAL

CVE-2025-6519: Consistent predictable generation of the password for the default admin user "ONEDAY" to the application services

Vendor Copeland Lp
Product E3 Supervisory Control
Weakness CWE-522 · Insufficiently protected credentials
Published September 2, 2025
Last update September 2, 2025
View on NVD All CVEs

CVSS base score

9.3/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality —
Integrity —

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:L/SA:L

What the vulnerability does

01Description

E3 Site Supervisor (firmware version < 2.31F01) has a default admin user "ONEDAY" with a daily generated password. An attacker can predictably generate the password for ONEDAY. The oneday user cannot be deleted or modified by any user.

Key dates

02Disclosure timeline

September 2, 2025 CVE published
September 2, 2025 Record updated