CVE-2025-52550: Copeland LP E3 Supervisory Control · Improper Verification of Cryptographic Signature
Affects Copeland LP E3 Supervisory ControlSource CVE Database V5
Not known to be exploited · CVSS 8.6 High.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
European organizations should immediately audit and restrict administrative access to the E3 Supervisory Control application services to trusted personnel only, employing strong authentication and access controls. Network segmentation should isolate supervisory control systems from general IT networks to reduce exposure. Monitoring and logging of firmware upgrade activities should be enhanced to detect unauthorized attempts. Since no patches are currently available, organizations should engage with Copeland LP for timelines on firmware updates that implement proper cryptographic signature verification. Until patches are released, consider implementing compensating controls such as application whitelisting, firmware integrity monitoring, and anomaly detection on supervisory control devices. Regularly review and update incident response plans to include scenarios involving firmware compromise. Additionally, conduct thorough security assessments to identify any existing unauthorized firmware installations or suspicious activity.
Description
E3 Site Supervisor Control (firmware version < 2.31F01) firmware upgrade packages are unsigned. An attacker can forge malicious firmware upgrade packages. An attacker with admin access to the application services can install a malicious firmware upgrade.