CVE-2025-6519

CRITICAL
Published Sep 2, 2025 Modified Oct 10, 2025 CWE-522

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 v3.1 Score

9.8
CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-522 CWE-522

Affected Products

Vendor Product
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
copeland site_supervisor_rx_860-1220
copeland site_supervisor_rxe_860-1225
copeland site_supervisor_sf_860-1200

References

Frequently Asked Questions

What is 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 be deleted or modified by any user. It has a CVSS v3.1 base score of 9.8 (CRITICAL).
How severe is CVE-2025-6519? +
CVE-2025-6519 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.
What products are affected by CVE-2025-6519? +
CVE-2025-6519 affects products from copeland, specifically: e3_supervisory_controller_firmware, site_supervisor_bx_860-1240, site_supervisor_bxe_860-1245, site_supervisor_cx_860-1260, site_supervisor_cxe_860-1265, site_supervisor_rx_860-1220, site_supervisor_rxe_860-1225, site_supervisor_sf_860-1200. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-6519? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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