Vulnerability · Published Sep 2, 2025 · Assigned by Armis
CVE-2025-6519Consistent predictable generation of the password for the default admin user "ONEDAY" to the application services
Critical 9.3
In plain English
A critical-severity security flaw in E3 Supervisory Control from Copeland LP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities).
Severity (CVSS 4.0)9.3Critical
Exploit odds (30 days)0.5%top 54.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Copeland LP | E3 Supervisory Control | 0 – before 2.31F01 |
Weakness: CWE-522 · 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