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CRITICAL · 9.8

CVE-2025-6519

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 ...

Vulnerability Description

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.

CVSS Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
CopelandE3 Supervisory Controller Firmware< 2.31f01
CopelandSite Supervisor Bx 860-1240-
CopelandSite Supervisor Bxe 860-1245-
CopelandSite Supervisor Cx 860-1260-
CopelandSite Supervisor Cxe 860-1265-
CopelandSite Supervisor Rx 860-1220-
CopelandSite Supervisor Rxe 860-1225-
CopelandSite Supervisor Sf 860-1200-

Related Weaknesses (CWE)

CWE-522

References

FAQ

What is CVE-2025-6519?

CVE-2025-6519 is a vulnerability with a CVSS score of 9.8 (CRITICAL). 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 ...

How severe is CVE-2025-6519?

CVE-2025-6519 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-6519?

Check the references section above for vendor advisories and patch information. Affected products include: Copeland E3 Supervisory Controller Firmware, Copeland Site Supervisor Bx 860-1240, Copeland Site Supervisor Bxe 860-1245, Copeland Site Supervisor Cx 860-1260, Copeland Site Supervisor Cxe 860-1265.