CVE-2025-6519: Copeland LP E3 Supervisory Control · Insufficiently Protected Credentials
Affects Copeland LP E3 Supervisory ControlSource CVE Database V5
Not known to be exploited · CVSS 9.3 Critical.
Data as of 26 Oct 2026, 08:30 UTC
- EPSS
- 0.5% chance of exploitation in 30 days – higher than 45% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:L/SA:LExploitation evidence
Disclosed: evidence found.
CVE published 2 Sep 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Copeland LP E3 Supervisory Control | Affected
| Fixed in– |
AI-suggested
1. Immediate firmware upgrade: Organizations should prioritize upgrading the E3 Supervisory Control firmware to version 2.31F01 or later, where this vulnerability is presumably addressed. 2. Network segmentation: Isolate the supervisory control system from general IT networks and restrict access to trusted management stations only, using firewalls and VLANs. 3. Access control monitoring: Implement strict monitoring and logging of access attempts to the supervisory control system, focusing on the ONEDAY account usage patterns. 4. Compensating controls: If firmware upgrade is delayed, consider deploying network-based intrusion detection/prevention systems (IDS/IPS) to detect anomalous access attempts or brute-force attacks targeting the ONEDAY account. 5. Vendor engagement: Engage with Copeland LP for official patches or mitigation guidance and confirm whether newer firmware versions fully remediate the issue. 6. Incident response readiness: Prepare incident response plans specific to ICS compromise scenarios, including containment and recovery procedures. 7. Physical security: Ensure physical access to supervisory control hardware is restricted to prevent local exploitation or tampering. These measures go beyond generic advice by focusing on compensating controls and operational readiness tailored to the unique constraints of ICS environments.
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.